Skip to the page

Data / Federal rules / 2026-21058

Cause of Airline Delay and Cancellation Categories Under Section 511(b) of the FAA Reauthorization Act of 2024; Delay of Effective Date

The Transportation Department published this final rule in the Federal Register on October 15, 2026. It takes effect on February 1, 2027.

SpecStream is the live web data engine for teams and agents. It reads every rule and proposed rule in the Federal Register each morning, and this page is that reading. Name your industry once and new rules, comment deadlines and effective dates arrive in your sheet, CRM, Slack or agent as they are published.

What the agency says

The U.S. Department of Transportation (Department or DOT) is delaying the effective date of its September 3, 2026 final rule, titled "Cause of Airline Delay and Cancellation Categories under Section 511(b) of the FAA Reauthorization Act of 2024," until February 1, 2027.

Key facts

Document number
2026-21058
Type
Final rule
Action
Final rule; delay of effective date
Agency
Transportation Department
Published
October 15, 2026
Takes effect
February 1, 2027
Dates
The effective date of the final rule published on September 3, 2026 (91 FR 56588) is delayed until February 1, 2027.
Docket
Docket No. DOT-OST-2026-1257
Regulation ID (RIN)
2105-AF29
Code of Federal Regulations
14 CFR 234
Significant
Yes, under Executive Order 12866
Pages
1

The document on federalregister.gov PDF

Other documents from the Transportation Department

Everything from the Transportation Department · Published in October 2026

Read from the Federal Register API, last updated 2026-10-24. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.