Flight OddsUA1540 IAH → DCA
United Airlines · Houston, TX to Washington, DC · 105 flights observed, 2025-08-19 to 2025-12-17 · 1,208 mi
UA1540 covers more than one route in the data window — the stats below are for IAH → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
0%
How often is UA1540 on time?
Across 105 flights on IAH → DCA from 2025-08-19 to 2025-12-17, UA1540 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 83 | 79% |
| 16-30 min | 9 | 9% |
| 31-60 min | 9 | 9% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 55% | +17 min |
| 2025-09 | 26 | 77% | 0 min |
| 2025-10 | 27 | 78% | +2 min |
| 2025-11 | 24 | 79% | +5 min |
| 2025-12 | 17 | 100% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 76% |
| Tue | 18 | 83% |
| Wed | 18 | 78% |
| Thu | 16 | 75% |
| Fri | 17 | 65% |
| Sat | 2 | 100% |
| Sun | 17 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…