Flight OddsUA2456 IAH → SEA
United Airlines · Houston, TX to Seattle, WA · 312 flights observed, 2025-07-01 to 2026-06-29 · 1,874 mi
UA2456 covers more than one route in the data window — the stats below are for IAH → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+2 min
90th percentile
+53 min
Cancellation rate
1%
How often is UA2456 on time?
Across 312 flights on IAH → SEA from 2025-07-01 to 2026-06-29, UA2456 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +53 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 | 215 | 70% |
| 16-30 min | 36 | 12% |
| 31-60 min | 29 | 9% |
| 61-120 min | 23 | 7% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 54% | +19 min |
| 2025-08 | 30 | 43% | +30 min |
| 2025-09 | 30 | 67% | +15 min |
| 2025-10 | 30 | 83% | +6 min |
| 2025-11 | 29 | 66% | +8 min |
| 2025-12 | 30 | 80% | +1 min |
| 2026-01 | 31 | 81% | -1 min |
| 2026-02 | 28 | 75% | +0 min |
| 2026-03 | 30 | 67% | +18 min |
| 2026-04 | 1 | 100% | +5 min |
| 2026-05 | 26 | 81% | +7 min |
| 2026-06 | 14 | 79% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 71% |
| Tue | 43 | 88% |
| Wed | 41 | 76% |
| Thu | 47 | 66% |
| Fri | 46 | 65% |
| Sat | 42 | 60% |
| Sun | 46 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…