Flight OddsIAH → SEA Alaska Airlines
Alaska Airlines · Houston, TX to Seattle, WA · 852 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers
On-time arrival
79%
Median delay
-5 min
90th percentile
+36 min
Cancellation rate
1%
How on-time is Alaska Airlines from IAH to SEA?
Across every Alaska Airlines flight number on IAH → SEA (852 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +36 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 666 | 79% |
| 16-30 min | 75 | 9% |
| 31-60 min | 66 | 8% |
| 61-120 min | 27 | 3% |
| 2+ hrs | 11 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 89 | 71% | +7 min |
| 2025-08 | 89 | 71% | +5 min |
| 2025-09 | 81 | 90% | -3 min |
| 2025-10 | 64 | 80% | +11 min |
| 2025-11 | 59 | 76% | +4 min |
| 2025-12 | 62 | 63% | +14 min |
| 2026-01 | 61 | 70% | +7 min |
| 2026-02 | 56 | 82% | -3 min |
| 2026-03 | 61 | 74% | +4 min |
| 2026-04 | 60 | 93% | -8 min |
| 2026-05 | 76 | 91% | -10 min |
| 2026-06 | 87 | 84% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 122 | 77% |
| Tue | 117 | 78% |
| Wed | 114 | 79% |
| Thu | 124 | 83% |
| Fri | 122 | 84% |
| Sat | 125 | 73% |
| Sun | 121 | 79% |
AS flight numbers on IAH → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…