A
Is Delta Air Lines on time Phoenix to Seattle?
1,764 flights · January 2025 – August 2026 · all airlines on PHX to SEA →
87.8%
Arrived on time
Route average 82.69%
0.85%
Cancelled
Route average 0.65%
73 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Alaska Airlines | 2,903 | 84.86% | B |
| Southwest Airlines | 1,037 | 64.76% | D |
| Envoy Air | 692 | 87.06% | A |
| SkyWest Airlines | 506 | 82.63% | B |
| American Airlines | 202 | 81.59% | B |
| Frontier Airlines | 165 | 86.06% | A |
Month by month
Jul 2025
peak 92
Jun 2026