Flight OddsBIL → ORD United Airlines
United Airlines · Billings, MT to Chicago, IL · 117 flights, 2025-07-01 to 2025-10-25 · aggregated across 1 flight number
On-time arrival
79%
Median delay
-5 min
90th percentile
+40 min
Cancellation rate
0%
How on-time is United Airlines from BIL to ORD?
Across every United Airlines flight number on BIL → ORD (117 flights, 2025-07-01 to 2025-10-25), 79% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +40 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 91 | 79% |
| 16-30 min | 11 | 10% |
| 31-60 min | 3 | 3% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +12 min |
| 2025-08 | 29 | 83% | +4 min |
| 2025-09 | 30 | 77% | +9 min |
| 2025-10 | 25 | 92% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 87% |
| Tue | 17 | 82% |
| Wed | 17 | 76% |
| Thu | 17 | 76% |
| Fri | 17 | 76% |
| Sat | 16 | 88% |
| Sun | 16 | 69% |
UA flight numbers on BIL → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…