Flight OddsAS398 SEA → IAH
Alaska Airlines · Seattle, WA to Houston, TX · 359 flights observed, 2025-07-01 to 2026-06-30 · 1,874 mi
On-time arrival
80%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
1%
How often is AS398 on time?
Across 359 flights on SEA → IAH from 2025-07-01 to 2026-06-30, AS398 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 286 | 80% |
| 16-30 min | 31 | 9% |
| 31-60 min | 24 | 7% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +15 min |
| 2025-08 | 31 | 58% | +15 min |
| 2025-09 | 30 | 90% | -5 min |
| 2025-10 | 28 | 89% | -5 min |
| 2025-11 | 29 | 90% | -8 min |
| 2025-12 | 30 | 70% | +4 min |
| 2026-01 | 29 | 90% | -13 min |
| 2026-02 | 28 | 93% | -13 min |
| 2026-03 | 31 | 74% | +8 min |
| 2026-04 | 30 | 73% | +4 min |
| 2026-05 | 30 | 90% | -7 min |
| 2026-06 | 30 | 83% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 82% |
| Tue | 51 | 86% |
| Wed | 52 | 81% |
| Thu | 50 | 76% |
| Fri | 51 | 73% |
| Sat | 50 | 92% |
| Sun | 52 | 71% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…