Flight OddsUA2311 IAH → DCA
United Airlines · Houston, TX to Washington, DC · 302 flights observed, 2025-07-01 to 2026-06-24 · 1,208 mi
UA2311 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
84%
Median delay
-7 min
90th percentile
+28 min
Cancellation rate
0%
How often is UA2311 on time?
Across 302 flights on IAH → DCA from 2025-07-01 to 2026-06-24, UA2311 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +28 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 | 252 | 84% |
| 16-30 min | 19 | 6% |
| 31-60 min | 16 | 5% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 88% | -3 min |
| 2025-08 | 26 | 85% | -2 min |
| 2025-09 | 26 | 88% | -4 min |
| 2025-10 | 27 | 89% | 0 min |
| 2025-11 | 25 | 88% | -3 min |
| 2025-12 | 21 | 86% | -3 min |
| 2026-01 | 23 | 78% | +6 min |
| 2026-02 | 23 | 91% | -5 min |
| 2026-03 | 26 | 88% | -4 min |
| 2026-04 | 26 | 96% | -13 min |
| 2026-05 | 28 | 75% | +6 min |
| 2026-06 | 22 | 55% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 78% |
| Tue | 51 | 88% |
| Wed | 49 | 90% |
| Thu | 49 | 86% |
| Fri | 49 | 80% |
| Sat | 4 | 75% |
| Sun | 48 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…