C
Is Delta Air Lines on time Seattle to Miami?
365 flights · January 2025 – August 2026 · all airlines on SEA to MIA →
78.21%
Arrived on time
Route average 77.26%
1.37%
Cancelled
Route average 0.93%
60 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 423 | 75.06% | C |
| Alaska Airlines | 391 | 78.76% | C |
Month by month
Jul 2025
peak 93
Jun 2026