Flight OddsAS620 DEN → SEA
Alaska Airlines · Denver, CO to Seattle, WA · 65 flights observed, 2025-07-01 to 2025-10-25 · 1,024 mi
AS620 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
50%
Median delay
+16 min
90th percentile
+92 min
Cancellation rate
5%
How often is AS620 on time?
Across 65 flights on DEN → SEA from 2025-07-01 to 2025-10-25, AS620 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +92 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 50% |
| 16-30 min | 12 | 19% |
| 31-60 min | 9 | 15% |
| 61-120 min | 5 | 8% |
| 2+ hrs | 5 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 44% | +49 min |
| 2025-08 | 16 | 44% | +32 min |
| 2025-10 | 21 | 62% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 30% |
| Tue | 10 | 80% |
| Wed | 10 | 40% |
| Thu | 8 | 63% |
| Fri | 3 | 33% |
| Sat | 11 | 55% |
| Sun | 10 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…