Flight OddsIAD → IAH United Airlines
United Airlines · Washington, DC to Houston, TX · 1,869 flights, 2025-07-01 to 2026-06-30 · aggregated across 34 flight numbers
On-time arrival
84%
Median delay
-10 min
90th percentile
+31 min
Cancellation rate
0%
How on-time is United Airlines from IAD to IAH?
Across every United Airlines flight number on IAD → IAH (1,869 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +31 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,564 | 84% |
| 16-30 min | 103 | 6% |
| 31-60 min | 90 | 5% |
| 61-120 min | 53 | 3% |
| 2+ hrs | 47 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 154 | 72% | +17 min |
| 2025-08 | 174 | 80% | +2 min |
| 2025-09 | 195 | 93% | -9 min |
| 2025-10 | 180 | 83% | +1 min |
| 2025-11 | 148 | 88% | -3 min |
| 2025-12 | 139 | 78% | +1 min |
| 2026-01 | 124 | 90% | -6 min |
| 2026-02 | 112 | 94% | -17 min |
| 2026-03 | 142 | 85% | +2 min |
| 2026-04 | 146 | 89% | -6 min |
| 2026-05 | 166 | 84% | +2 min |
| 2026-06 | 177 | 78% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 268 | 85% |
| Tue | 265 | 88% |
| Wed | 258 | 84% |
| Thu | 266 | 84% |
| Fri | 270 | 82% |
| Sat | 267 | 82% |
| Sun | 263 | 84% |
UA flight numbers on IAD → IAH
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…