Information, not legal advice. RefundRules summarizes US DOT rules from 14 CFR Part 260. It does not know your ticket, the airline's records, or facts you leave out. Confirm with the airline and the DOT before relying on it.

Only your flight number changed? The 2026 to 2027 enforcement pause

DOT is not enforcing refunds for merely renumbered flights until July 7, 2027.

Renumbered flights enforcement pause

Until July 7, 2027, DOT is not enforcing refund requirements for flights that were only renumbered, if the passenger is rebooked on the new flight number and it operates without a significant change or delay.

Federal Register 2026-13675 (July 7, 2026)

Cancelled flight

A cancelled flight is a scheduled flight number and city pair published at the time of sale but not operated. The carrier that is merchant of record must refund the full fare, taxes and ancillary fees if the consumer does not accept rebooking, the changed flight, or a voucher, credit or other compensation.

14 CFR 260.2 (Cancelled flight); 14 CFR 260.6(a)

Check your case with an AI agent

Add RefundRules as a remote MCP server and describe what happened. It returns a verdict with citations.

{
  "mcpServers": {
    "refundrules": { "url": "https://refundrules.pages.dev/mcp" }
  }
}

Official sources: DOT refunds, DOT automatic refund rule, file a DOT complaint.

Rules from 14 CFR Part 260 (eCFR Title 14 Part 260, up to date as of 2026-10-16). Retrieved 2026-10-20.