Flight OddsAS406 SEA → IAD
Alaska Airlines · Seattle, WA to Washington, DC · 138 flights observed, 2025-07-01 to 2026-06-30 · 2,305 mi
AS406 covers more than one route in the data window — the stats below are for SEA → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-5 min
90th percentile
+42 min
Cancellation rate
1%
How often is AS406 on time?
Across 138 flights on SEA → IAD from 2025-07-01 to 2026-06-30, AS406 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +42 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 105 | 77% |
| 16-30 min | 14 | 10% |
| 31-60 min | 13 | 9% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 55% | +16 min |
| 2025-08 | 31 | 71% | +5 min |
| 2025-09 | 4 | 100% | -5 min |
| 2025-10 | 21 | 86% | -9 min |
| 2025-11 | 9 | 78% | -1 min |
| 2025-12 | 15 | 93% | -15 min |
| 2026-01 | 6 | 83% | -7 min |
| 2026-06 | 20 | 90% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 65% |
| Tue | 20 | 75% |
| Wed | 18 | 83% |
| Thu | 20 | 90% |
| Fri | 18 | 83% |
| Sat | 21 | 57% |
| Sun | 20 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…