Flight OddsAS2436 SEA → HLN
Alaska Airlines · Seattle, WA to Helena, MT · 36 flights observed, 2026-01-07 to 2026-02-11 · 491 mi
AS2436 covers more than one route in the data window — the stats below are for SEA → HLN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-15 min
90th percentile
+13 min
Cancellation rate
0%
How often is AS2436 on time?
Across 36 flights on SEA → HLN from 2026-01-07 to 2026-02-11, AS2436 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 33 | 92% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 6% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 96% | -13 min |
| 2026-02 | 11 | 82% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 5 | 80% |
| Wed | 6 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 100% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…