Flight OddsORD → BHM United Airlines
United Airlines · Chicago, IL to Birmingham, AL · 1,017 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
68%
Median delay
-4 min
90th percentile
+95 min
Cancellation rate
3%
How on-time is United Airlines from ORD to BHM?
Across every United Airlines flight number on ORD → BHM (1,017 flights, 2025-07-01 to 2026-06-30), 68% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +95 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 671 | 68% |
| 16-30 min | 80 | 8% |
| 31-60 min | 75 | 8% |
| 61-120 min | 77 | 8% |
| 2+ hrs | 78 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 60 | 48% | +46 min |
| 2025-08 | 74 | 78% | +2 min |
| 2025-09 | 90 | 82% | +4 min |
| 2025-10 | 117 | 68% | +23 min |
| 2025-11 | 85 | 66% | +34 min |
| 2025-12 | 73 | 47% | +97 min |
| 2026-01 | 86 | 64% | +38 min |
| 2026-02 | 81 | 72% | +3 min |
| 2026-03 | 83 | 58% | +37 min |
| 2026-04 | 87 | 76% | +13 min |
| 2026-05 | 89 | 70% | +16 min |
| 2026-06 | 56 | 91% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 134 | 66% |
| Tue | 142 | 73% |
| Wed | 143 | 65% |
| Thu | 138 | 70% |
| Fri | 139 | 67% |
| Sat | 145 | 69% |
| Sun | 140 | 69% |
UA flight numbers on ORD → BHM
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…