Flight OddsAS2040 HLN → SEA
Alaska Airlines · Helena, MT to Seattle, WA · 34 flights observed, 2026-02-12 to 2026-03-17 · 491 mi
AS2040 covers more than one route in the data window — the stats below are for HLN → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
97%
Median delay
-8 min
90th percentile
+9 min
Cancellation rate
6%
How often is AS2040 on time?
Across 34 flights on HLN → SEA from 2026-02-12 to 2026-03-17, AS2040 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +9 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 97% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 94% | -1 min |
| 2026-03 | 15 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 5 | 100% |
| Wed | 4 | 75% |
| Thu | 5 | 100% |
| Fri | 4 | 100% |
| Sat | 4 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…