Flight OddsUA1257 IAD → BDL
United Airlines · Washington, DC to Hartford, CT · 140 flights observed, 2025-07-01 to 2026-03-04 · 325 mi
UA1257 covers more than one route in the data window — the stats below are for IAD → BDL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-11 min
90th percentile
+11 min
Cancellation rate
1%
How often is UA1257 on time?
Across 140 flights on IAD → BDL from 2025-07-01 to 2026-03-04, UA1257 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +11 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 | 127 | 91% |
| 16-30 min | 8 | 6% |
| 31-60 min | 3 | 2% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 9 | 100% | -11 min |
| 2025-08 | 16 | 94% | -8 min |
| 2025-09 | 26 | 96% | -9 min |
| 2025-10 | 30 | 87% | -6 min |
| 2025-11 | 25 | 92% | -7 min |
| 2025-12 | 17 | 94% | -7 min |
| 2026-02 | 13 | 85% | -2 min |
| 2026-03 | 3 | 67% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 100% |
| Tue | 28 | 93% |
| Wed | 21 | 90% |
| Thu | 19 | 95% |
| Fri | 27 | 85% |
| Sat | 15 | 87% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…