BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
MIA→SEA

American Airlines Miami, FL (MIA) to Seattle, WA (SEA) reliability

Among 423 scheduled American Airlines flights from MIA to SEA, 69.0% arrived on time, 19.6% arrived at least 30 minutes late, and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: American Airlines (AA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.0%arrived on time
19.6%30+ min late
0.5%cancelled
423scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late19.6%
60+ minutes late10.9%
Cancelled0.5%
Average arrival+10.0 mincompleted flights

What did American Airlines MIA to SEA record?

American Airlines completed 99.3% of its scheduled reportable MIA to SEA flights in the observation window. 69.0% of all scheduled flights arrived less than 15 minutes late, while 10.9% arrived at least an hour late.

What were American Airlines MIA to SEA disruption rates?

For American Airlines MIA-to-SEA flights, 19.6% arrived at least 30 minutes late, 0.5% were cancelled, and 0.2% were diverted.

Compare all airlines on this route

What was the American Airlines MIA to SEA scheduled cohort?

The American Airlines MIA-to-SEA cohort contained 423 scheduled flights; 420 completed, 2 were cancelled, and 1 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.