Flight OddsAS2555 BIL → SEA
Alaska Airlines · Billings, MT to Seattle, WA · 229 flights observed, 2025-07-01 to 2026-05-12 · 664 mi
On-time arrival
91%
Median delay
-13 min
90th percentile
+11 min
Cancellation rate
1%
How often is AS2555 on time?
Across 229 flights on BIL → SEA from 2025-07-01 to 2026-05-12, AS2555 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +11 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 | 204 | 91% |
| 16-30 min | 9 | 4% |
| 31-60 min | 6 | 3% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 100% | -15 min |
| 2025-08 | 30 | 93% | -12 min |
| 2025-09 | 30 | 90% | +7 min |
| 2025-10 | 30 | 97% | -10 min |
| 2025-11 | 30 | 83% | -7 min |
| 2025-12 | 15 | 73% | +6 min |
| 2026-01 | 6 | 83% | -8 min |
| 2026-02 | 16 | 88% | -4 min |
| 2026-03 | 16 | 81% | +3 min |
| 2026-04 | 9 | 100% | -5 min |
| 2026-05 | 12 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 33 | 94% |
| Tue | 33 | 91% |
| Wed | 30 | 87% |
| Thu | 32 | 81% |
| Fri | 32 | 94% |
| Sat | 32 | 94% |
| Sun | 33 | 94% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…