D
Is Alaska Airlines on time Washington to Seattle?
835 flights · January 2025 – August 2026 · all airlines on IAD to SEA →
73.7%
Arrived on time
Route average 76.57%
1.2%
Cancelled
Route average 1.01%
53 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 688 | 79.74% | C |
| Delta Air Lines | 361 | 77.18% | C |
Month by month
Jul 2025
peak 92
Jun 2026