Flight OddsORD → IAD United Airlines
United Airlines · Chicago, IL to Washington, DC · 2,051 flights, 2025-07-01 to 2026-06-30 · aggregated across 51 flight numbers
On-time arrival
75%
Median delay
-2 min
90th percentile
+56 min
Cancellation rate
1%
How on-time is United Airlines from ORD to IAD?
Across every United Airlines flight number on ORD → IAD (2,051 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +56 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,531 | 75% |
| 16-30 min | 184 | 9% |
| 31-60 min | 129 | 6% |
| 61-120 min | 100 | 5% |
| 2+ hrs | 91 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 181 | 60% | +39 min |
| 2025-08 | 195 | 73% | +17 min |
| 2025-09 | 201 | 83% | +3 min |
| 2025-10 | 177 | 76% | +11 min |
| 2025-11 | 148 | 72% | +19 min |
| 2025-12 | 145 | 73% | +12 min |
| 2026-01 | 125 | 76% | +12 min |
| 2026-02 | 112 | 79% | +5 min |
| 2026-03 | 145 | 67% | +25 min |
| 2026-04 | 181 | 77% | +16 min |
| 2026-05 | 216 | 79% | +7 min |
| 2026-06 | 209 | 85% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 291 | 76% |
| Tue | 293 | 80% |
| Wed | 292 | 72% |
| Thu | 291 | 75% |
| Fri | 292 | 76% |
| Sat | 286 | 79% |
| Sun | 290 | 70% |
UA flight numbers on ORD → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…