Flight OddsAS633 DEN → SEA
Alaska Airlines · Denver, CO to Seattle, WA · 57 flights observed, 2026-01-08 to 2026-03-17 · 1,024 mi
AS633 covers more than one route in the data window — the stats below are for DEN → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-8 min
90th percentile
+40 min
Cancellation rate
2%
How often is AS633 on time?
Across 57 flights on DEN → SEA from 2026-01-08 to 2026-03-17, AS633 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +40 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 79% |
| 16-30 min | 3 | 5% |
| 31-60 min | 5 | 9% |
| 61-120 min | 4 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 18 | 83% | -2 min |
| 2026-02 | 23 | 87% | -4 min |
| 2026-03 | 15 | 60% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 5 | 40% |
| Wed | 4 | 75% |
| Thu | 10 | 60% |
| Fri | 9 | 78% |
| Sat | 9 | 100% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…