ORD → BIL United Airlines
United Airlines · Chicago, IL to Billings, MT · 117 flights, 2025-07-01 to 2025-10-25 · aggregated across 1 flight number
On-time arrival
81%
Median delay
-1 min
90th percentile
+28 min
Cancellation rate
0%
How on-time is United Airlines from ORD to BIL?
Across every United Airlines flight number on ORD → BIL (117 flights, 2025-07-01 to 2025-10-25), 81% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +28 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 94 | 81% |
| 16-30 min | 13 | 11% |
| 31-60 min | 6 | 5% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +11 min |
| 2025-08 | 31 | 84% | -3 min |
| 2025-09 | 29 | 86% | -1 min |
| 2025-10 | 25 | 88% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 75% |
| Tue | 17 | 88% |
| Wed | 17 | 71% |
| Thu | 17 | 94% |
| Fri | 16 | 81% |
| Sat | 17 | 88% |
| Sun | 16 | 69% |
UA flight numbers on ORD → BIL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…