F
Is Delta Air Lines on time Miami to Seattle?
365 flights · January 2025 – August 2026 · all airlines on MIA to SEA →
61.62%
Arrived on time
Route average 65.72%
1.64%
Cancelled
Route average 1.19%
93 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 423 | 69.52% | D |
| Alaska Airlines | 392 | 65.36% | F |
Month by month
Jul 2025
peak 83
Jun 2026