Flight OddsSEA → IAH United Airlines
United Airlines · Seattle, WA to Houston, TX · 1,243 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
85%
Median delay
-10 min
90th percentile
+28 min
Cancellation rate
1%
How on-time is United Airlines from SEA to IAH?
Across every United Airlines flight number on SEA → IAH (1,243 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +28 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,047 | 85% |
| 16-30 min | 66 | 5% |
| 31-60 min | 64 | 5% |
| 61-120 min | 32 | 3% |
| 2+ hrs | 21 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 138 | 71% | +13 min |
| 2025-08 | 135 | 75% | +10 min |
| 2025-09 | 118 | 93% | -5 min |
| 2025-10 | 111 | 86% | +7 min |
| 2025-11 | 89 | 87% | -1 min |
| 2025-12 | 106 | 87% | -4 min |
| 2026-01 | 72 | 92% | -8 min |
| 2026-02 | 56 | 98% | -19 min |
| 2026-03 | 80 | 84% | -7 min |
| 2026-04 | 90 | 91% | -10 min |
| 2026-05 | 106 | 84% | +2 min |
| 2026-06 | 129 | 88% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 184 | 83% |
| Tue | 165 | 88% |
| Wed | 164 | 91% |
| Thu | 185 | 84% |
| Fri | 182 | 81% |
| Sat | 177 | 81% |
| Sun | 173 | 88% |
UA flight numbers on SEA → IAH
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…