Flight OddsUA2277 ORD → IAD
United Airlines · Chicago, IL to Washington, DC · 125 flights observed, 2025-07-01 to 2026-06-30 · 588 mi
UA2277 covers more than one route in the data window — the stats below are for ORD → IAD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-12 min
90th percentile
+7 min
Cancellation rate
2%
How often is UA2277 on time?
Across 125 flights on ORD → IAD from 2025-07-01 to 2026-06-30, UA2277 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +7 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 111 | 90% |
| 16-30 min | 4 | 3% |
| 31-60 min | 5 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 83% | +12 min |
| 2026-03 | 3 | 100% | -18 min |
| 2026-04 | 30 | 87% | -4 min |
| 2026-05 | 31 | 94% | -10 min |
| 2026-06 | 30 | 97% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 89% |
| Tue | 17 | 94% |
| Wed | 18 | 100% |
| Thu | 18 | 94% |
| Fri | 17 | 88% |
| Sat | 17 | 88% |
| Sun | 18 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…