Flight OddsUA4387 BHM → ORD
United Airlines · Birmingham, AL to Chicago, IL · 35 flights observed, 2026-05-21 to 2026-06-24 · 584 mi
UA4387 covers more than one route in the data window — the stats below are for BHM → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
+7 min
90th percentile
+99 min
Cancellation rate
6%
How often is UA4387 on time?
Across 35 flights on BHM → ORD from 2026-05-21 to 2026-06-24, UA4387 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +99 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 69% |
| 16-30 min | 3 | 9% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 3 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 55% | +49 min |
| 2026-06 | 21 | 76% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 5 | 100% |
| Wed | 4 | 50% |
| Thu | 4 | 75% |
| Fri | 5 | 40% |
| Sat | 5 | 40% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…