Flight OddsSEA → DEN Alaska Airlines
Alaska Airlines · Seattle, WA to Denver, CO · 1,559 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers
On-time arrival
77%
Median delay
-3 min
90th percentile
+42 min
Cancellation rate
1%
How on-time is Alaska Airlines from SEA to DEN?
Across every Alaska Airlines flight number on SEA → DEN (1,559 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +42 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,183 | 77% |
| 16-30 min | 144 | 9% |
| 31-60 min | 119 | 8% |
| 61-120 min | 73 | 5% |
| 2+ hrs | 23 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 171 | 49% | +30 min |
| 2025-08 | 162 | 60% | +19 min |
| 2025-09 | 146 | 77% | +5 min |
| 2025-10 | 123 | 84% | +2 min |
| 2025-11 | 115 | 86% | -1 min |
| 2025-12 | 121 | 80% | +5 min |
| 2026-01 | 94 | 79% | +2 min |
| 2026-02 | 92 | 85% | +0 min |
| 2026-03 | 107 | 80% | +2 min |
| 2026-04 | 114 | 95% | -9 min |
| 2026-05 | 150 | 90% | -6 min |
| 2026-06 | 147 | 76% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 235 | 76% |
| Tue | 214 | 78% |
| Wed | 213 | 80% |
| Thu | 227 | 74% |
| Fri | 225 | 77% |
| Sat | 201 | 81% |
| Sun | 227 | 71% |
AS flight numbers on SEA → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…