Flight OddsUA1788 IAH → IAD
United Airlines · Houston, TX to Washington, DC · 324 flights observed, 2025-07-01 to 2026-05-20 · 1,190 mi
UA1788 covers more than one route in the data window — the stats below are for IAH → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-3 min
90th percentile
+51 min
Cancellation rate
0%
How often is UA1788 on time?
Across 324 flights on IAH → IAD from 2025-07-01 to 2026-05-20, UA1788 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +51 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 254 | 79% |
| 16-30 min | 21 | 7% |
| 31-60 min | 19 | 6% |
| 61-120 min | 17 | 5% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 48% | +30 min |
| 2025-08 | 31 | 71% | +17 min |
| 2025-09 | 30 | 90% | -4 min |
| 2025-10 | 31 | 84% | +10 min |
| 2025-11 | 30 | 90% | -4 min |
| 2025-12 | 31 | 81% | +7 min |
| 2026-01 | 30 | 90% | -1 min |
| 2026-02 | 28 | 82% | +6 min |
| 2026-03 | 31 | 68% | +36 min |
| 2026-04 | 30 | 83% | +4 min |
| 2026-05 | 20 | 80% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 87% |
| Tue | 47 | 77% |
| Wed | 47 | 74% |
| Thu | 46 | 85% |
| Fri | 46 | 72% |
| Sat | 46 | 78% |
| Sun | 45 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…