WASHINGTON — The Federal Aviation Administration (FAA) could certify Boeing's 737-10 as soon as the week of October 19 after completing a key safety review, Reuters reported October 16, citing three people familiar with the matter.
The Type Certification Board review is a final step before the agency decides whether to approve the aircraft. Asked about timing, the FAA told Reuters that safety determines the schedule. Boeing referred questions to the regulator.
For passengers, the more useful date comes later. Boeing's July results forecast certification in 2026 and first deliveries in 2027. Approval next week would therefore meet a regulatory target without bringing forward the aircraft's first handover automatically.
The distinction has become easy to lose during a development program that has produced successive forecasts, test milestones and technical setbacks. The original commercial-service target was 2020. In October 2026, the design still awaits the FAA's decision.
In an industry awash with announcements, memoranda of understanding, tentative dates and statements of intent, is this latest reporting more of the same?
The Air Current and Reuters describe a completed regulatory review, a more concrete development than another manufacturer’s target date. Approval as early as next week, however, remains a source-based expectation. The FAA has yet to announce its decision.
The distinction matters when looking back at how often the 737-10 has appeared close to approval.
How the Certification Schedule Changed
The chronology below separates forecasts from completed work. A planned service date is not an FAA certification deadline, and permission to begin a test phase is not approval of the aircraft.
| Date | Announcement or milestone | What changed, and why it mattered |
| --- | --- | --- |
| June 19, 2017 | **Launch; service targeted for 2020.** | Engine partner CFM's [launch announcement set commercial service for 2020](https://www.safran-group.com/pressroom/boeing-launches-737-max-10-powered-leap-1b-engines-2017-06-19). That was an introduction target, rather than a separately announced certification date. |
| Early 2021 | **Service target moves to 2023.** | Boeing's [2020 annual report, issued in 2021, anticipated service in 2023](https://www.annualreports.com/HostedData/AnnualReportArchive/b/NYSE_BA_2020.pdf). Its stated reason was to allow time for regulatory requirements, technical needs and testing. The document does not assign the entire slip to one defect. |
| June 18, 2021 | **First flight completed.** | Boeing [began the flight-test program and reiterated service in 2023](https://boeing.mediaroom.com/2021-06-18-Boeing-Completes-Successful-737-10-First-Flight). Flying a development aircraft demonstrated progress; the manufacturer still had to establish compliance for certification. |
| October 4, 2022 | **Approval expected no earlier than summer 2023.** | An FAA letter described Boeing's project plan as [anticipating an amended type certificate no sooner than summer 2023, according to Reuters reporting summarized by AeroTime](https://www.aerotime.aero/articles/32317-737-max-10-approval-not-expected-before-2023). Documentation shared with the 737-7 program was part of the remaining work. This was not an FAA promise to approve the aircraft that summer. |
| November 2, 2022 | **Certification forecast moves to late 2023 or early 2024.** | Commercial Airplanes chief Stan Deal gave the [revised window at Boeing's investor conference](https://www.airdatanews.com/boeing-predicts-737-max-7-certified-by-early-2023-and-737-max-10-in-2024/). He described continuing work with the FAA; the quoted remarks did not identify a single newly discovered defect responsible for the revision. |
| December 2022 | **Congress changes the crew-alerting certification requirements.** | The legislation removed the previous statutory crew-alerting requirement for qualifying applications, including the two remaining MAX variants. Boeing's [2022 filing describes the exemption and replacement safety-enhancement obligations](https://fintel.io/doc/sec-boeing-co-12927-10k-2023-january-27-19384-8788). This resolved a legislative obstacle, without certifying either variant. |
| April 2023 | **Boeing reiterates first delivery in 2024.** | Its [first-quarter filing still expected FAA certification flight testing to begin in 2023](https://www.sec.gov/Archives/edgar/data/12927/000001292723000029/ba-20230331.htm). Delivery was a separate forecast, contingent on the certification work. |
| November 22, 2023 | **FAA authorization for certification flight testing.** | Boeing confirmed [Type Inspection Authorization, allowing formal certification flying to begin](https://www.aerotime.aero/articles/boeing-certification-test-flight-first-take-off-faa). This was a testing authorization, rather than the amended type certificate airlines needed for deliveries. |
| January 2024 | **Engine anti-ice changes delay certification and deliveries.** | In its [2023 annual filing, Boeing said it would incorporate engineering solutions before certification](https://www.sec.gov/Archives/edgar/data/12927/000001292724000010/ba-20231231.htm). The anti-ice work became an explicit schedule constraint. The filing gave no replacement approval date. |
| First quarter 2024, disclosed in July | **First FAA flight-test phase completed.** | Boeing's [second-quarter filing recorded completion of the first phase](https://investors.boeing.com/files/doc_financials/2024/q2/Boeign-company-10-Q-07-31-2024.pdf), while still identifying the anti-ice engineering changes as delaying certification and first deliveries. One completed phase did not remove that requirement. |
| July 31, 2024 | **First-half 2025 certification described as realistic.** | Asked about that window on the [second-quarter earnings call](https://s2.q4cdn.com/661678649/files/doc_financials/2024/q2/2Q24-Boeing-Earnings-Call-Transcript.pdf), then-CEO Dave Calhoun agreed it sounded realistic but deferred to regulators. He identified completing and proving the anti-ice engineering solution as the constraint. |
| July 29, 2025 | **Certification moves to 2026.** | Boeing's [earnings-call transcript records management's revised expectation](https://www.roic.ai/quote/BA/transcripts/2025-year/2-quarter): the engine anti-ice solution was taking longer than anticipated. The company was still working through alternative design paths. |
| January 9, 2026 | **Next flight-test phase reported approved.** | [Reuters reported FAA authorization for phase two](https://www.investing.com/news/stock-market-news/boeings-biggest-737-max-model-moves-to-next-stage-in-certification-but-still-faces-hurdles-4440395), citing a person familiar with the program. The report stressed that anti-ice work remained unresolved; this authorization did not close that issue. |
| January 27, 2026 | **Boeing reports authorization for the final flight-test phase.** | Its [fourth-quarter results described the FAA authorization](https://investors.boeing.com/investors/news/press-release-details/2026/Boeing-Reports-Fourth-Quarter-Results/default.aspx). This is the disclosure date; it should not be mistaken for a separately verified date on which the FAA issued the authorization. |
| First-quarter 2026 results | **Certification in 2026; first delivery in 2027.** | Boeing's [published guidance explicitly separated the two years](https://s2.q4cdn.com/661678649/files/doc_financials/2026/q1/Press-Release.pdf). Certification could be completed months before a customer received an aircraft. |
| May 2026, reiterated July 20 | **Ryanair relays a late-summer certification forecast.** | The group's [May results](https://corporate.ryanair.com/news/ryanair-2025-26-pat-rises-40-to-e2-26bn-pre-except-traffic-grows-4-to-208m-despite-boeing-delays/) and [July results](https://investor.ryanair.com/wp-content/uploads/2026/07/Q1-FY27-Ryanair-Results.pdf) attributed that expectation to Boeing. It was a customer-relayed forecast, rather than an FAA commitment. Both releases anticipated initial deliveries in spring 2027. |
| July 16, 2026 | **Boeing reports flight testing 98% complete.** | Its [program update listed remaining flight events, assurance reviews and safety submissions](https://www.boeing.com/features/2026/07/certification-progress-reported-737-max-777-9). The percentage measured one workstream, not overall FAA approval. |
| July 17, 2026 report | **FAA chief expects approval before year-end.** | In an interview reported by Reuters, [Administrator Bryan Bedford expected the 737-10 to be approved in 2026](https://www.investing.com/news/stock-market-news/faa-restores-boeing-authority-to-certify-737-max-787-planes-4801509). Separately, restoring Boeing's authority to issue production-aircraft airworthiness certificates did not approve the 737-10 design. |
| July 20, 2026 | **FAA deputy says approval is approaching.** | Deputy Administrator Chris Rocheleau [told Reuters that the 737-7 was close, with the 737-10 following](https://www.marketscreener.com/news/faa-says-certification-of-boeing-737-max-7-10-expected-soon-ce7f51dad080f32c). The remarks supplied no fixed 737-10 approval date. |
| July 28, 2026 | **Final planned certification flight completed.** | Boeing [announced the end of planned certification flying](https://www.boeing.com/features/2026/07/737-10-completes-final-certification-flight). Development assurance reviews and system safety assessments still needed closure. Its targets remained certification in 2026 and deliveries in 2027. |
| August 3, 2026 | **737-7 receives an amended type certificate.** | Boeing [announced approval of the smaller variant](https://investors.boeing.com/investors/news/press-release-details/2026/U-S--FAA-certifies-new-Boeing-737-7-airplane/default.aspx). This was progress for the MAX development programs, but it did not certify the 737-10. |
| September 16, 2026 | **Boeing says certification is expected very soon.** | CEO Kelly Ortberg [said flight testing was complete and the program was in the documentation phase](https://www.boeing.com/features/2026/09/ceo-737-10-certification-very-soon-more-to-do-to-stabilize-production). He gave no fixed approval date. |
| September 24, 2026 | **Alaska expects certification by the end of September.** | Chief Operating Officer Jason Berry [gave Reuters the airline's expectation](https://www.fidelity.com/news/article/company-news/202609241439RTRSNEWSCOMBINED_L1N45G0X4_1). It proved too early. The forecast came from the customer, not the FAA. |
| September 28, 2026 | **Software review brings another delay.** | As [Airways reported from Bedford's remarks](https://www.airwaysmag.com/new-post/faa-delays-boeing-737-10-certification-software), the FAA would delay approval while assessing a flight-guidance software issue. He supplied no revised date. |
| October 2, 2026 | **FAA determines the software issue is not a safety concern.** | [Reuters reported the panel's determination](https://www.investing.com/news/stock-market-news/us-faa-finds-boeing-737-max-software-glitch-does-not-pose-safety-issue-4930307), removing that late obstacle. The decision concerned the software issue; broader aircraft certification was still pending. |
| October 16, 2026 | **Type Certification Board review reportedly completed.** | Reuters' sources put approval as early as the following week. This concerns the broader certification review and is separate from the October 2 software decision. The FAA retained responsibility for the final decision. |
The changing targets reflect different kinds of unfinished work. Congress addressed a crew-alerting certification requirement. Boeing then had to develop and demonstrate engineering changes, complete testing, and close the documentation supporting compliance. Boeing says the anti-ice changes followed its identification of rare conditions that could cause overheating without pilot intervention or a design change. A late software assessment added another obstacle in September 2026.
July's completion of planned test flights, previously covered by Airways, therefore left substantial work on the ground. Boeing listed its fourth development assurance review as 60% complete and system safety assessments as 32% complete at that point. Those were July status measures, not a description of what remains unfinished today.
What FAA Certification Actually Approves
The 737-10 is a derivative of an existing aircraft family. The relevant design approval is an amended type certificate. FAA regulations establish how changes to a type design must demonstrate compliance.
That approval establishes that the design meets the applicable certification requirements. It does not establish that every aircraft already built conforms to the approved configuration, or that a particular airline is ready to operate it.
Separate airworthiness-certificate requirements concern the individual aircraft, including conformity to the approved design and a condition for safe operation. For an airline, that means a completed aircraft and its records still matter after the design decision.
There is a further distinction between those regulatory findings and the commercial handover. Boeing's published description of new-aircraft delivery checks includes ground testing, flights by Boeing and the customer, and a customer inspection. Its cabin, equipment and configuration must match the agreed and approved delivery standard. An airline cannot put an unfinished aircraft into passenger service simply because the underlying model has been certified.
The Steps Between Approval and the First Passenger Flight
The route to service has several connected workstreams. Some can be prepared before certification; others depend on the final approved design and the condition of the individual aircraft.
| Workstream | What it establishes | What could still affect timing |
| --- | --- | --- |
| Design approval | FAA acceptance of the 737-10's type-design changes. | Final compliance findings and any approval conditions. |
| Aircraft completion and conformity | The particular aircraft matches its approved configuration and satisfies airworthiness requirements. | Required modifications, inspections, records and completion work. |
| Customer acceptance and delivery | The customer accepts the completed aircraft and the handover is concluded. | Customer configuration, delivery findings and contractual arrangements. |
| Airline preparation | Crews, training, procedures and maintenance support are ready for the aircraft and intended operation. | Approved training requirements and the operator's readiness. |
| Operational authorization and service launch | Applicable operating approvals and aircraft requirements are satisfied before scheduled passenger flying. | Any required demonstrations, outstanding approvals and the airline's chosen introduction date. |
For U.S. airlines, Part 121 requires an approved training program and current material for aircraft types and their variations. Existing 737 experience can be relevant, but the actual training obligation depends on the approved differences and the crew's qualifications. This reporting does not establish a final 737-10 course length or simulator requirement.
Proving flights also need careful treatment. Section 121.163 sets requirements for specified introductions and materially altered aircraft, with provisions for FAA authorization. It does not support assigning every MAX customer the same automatic number of proving-flight hours.
Before a U.S. carrier operates an aircraft, registration, an appropriate airworthiness certificate and an airworthy condition are among the requirements. These obligations apply to the individual aircraft and operation, beyond approval of the design.
For overseas customers, validation of U.S. design approvals by foreign authorities is another regulatory consideration. FAA certification alone should not be presented as every country's authorization to introduce the aircraft. The reporting reviewed here does not establish the timing of each foreign validation.
United, Delta and Other Customers Have Different Timetables
An FAA decision would be common to the program, but airline delivery positions and induction plans differ. The available customer disclosures describe several distinct horizons.
| Customer | Published expectation | What it tells passengers |
| --- | --- | --- |
| United Airlines (UA) | Its [June 2026 filing expected 20 737-10 deliveries in 2027](https://www.sec.gov/Archives/edgar/data/100517/000010051726000139/ual-20260630.htm), compared with contractual dates for three in the second half of 2026 and 44 in 2027. | The expected schedule is more useful than the contract alone. It does not identify a first passenger flight. |
| Delta Air Lines (DL) | Its [737-10 media kit says deliveries begin in 2027](https://news.delta.com/mediakit/boeing-737-10). | A delivery year does not establish a service month or launch route. |
| Alaska Airlines (AS) | Berry told Reuters on September 24 that the airline expected first delivery the following spring and passenger service between April and mid-May 2027. | This is a specific airline service forecast, made before the late-September software delay, rather than a guaranteed launch window. |
| American Airlines (AA) | Its [June 2026 fleet-commitment table places 115 remaining 737-family deliveries in 2029 and later](https://www.sec.gov/Archives/edgar/data/4515/000000620126000052/aal-20260630.htm). | Certification in 2026 would not by itself move American's published delivery horizon into 2027. |
| Ryanair group | Its July results expected the first 15 MAX 10s in spring 2027. | This is a delivery forecast, not confirmation that all 15 begin revenue service on arrival. |
| Virgin Australia (VA) | Its [June 13 announcement expected first delivery in late 2027](https://www.virginaustralia.com/au/en/newsroom/2026/6/virgin-australia-advances-next-phase-of-fleet-renewal-with-first/). | Its disclosed introduction horizon is later than the spring delivery plans of some other customers. |
The United comparison also shows why old order announcements can mislead. In April 2024, the airline disclosed conversions of some MAX 10 orders to MAX 9s, covering deliveries from 2025 through 2027. That was an airline response to delivery uncertainty, rather than a new FAA certification forecast.
When Can Airlines Start Earning Revenue With the 737-10?
The documented expectations point to 2027 for several initial customers, with Alaska providing a spring passenger-service window. They do not establish a universal interval between certification and revenue flying.
An operator that has completed its preparation and receives a conforming aircraft can progress differently from a customer awaiting delivery slots, equipment approvals or training. The workstreams should not be added together as though each starts only after the previous one ends.
Out beloved industry, and our coverage of it, is inherently a forward-looking one. The next reporting test is therefore twofold: whether the FAA issues the amended type certificate, and whether Boeing and its customers then confirm aircraft delivery and passenger-service dates. Those are the timeframes that will show when the certification milestone turns into usable airline capacity.