Flight OddsUA4547 ORD → BHM
United Airlines · Chicago, IL to Birmingham, AL · 93 flights observed, 2026-01-06 to 2026-04-29 · 584 mi
UA4547 covers more than one route in the data window — the stats below are for ORD → BHM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
-3 min
90th percentile
+146 min
Cancellation rate
8%
How often is UA4547 on time?
Across 93 flights on ORD → BHM from 2026-01-06 to 2026-04-29, UA4547 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +146 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 57 | 66% |
| 16-30 min | 8 | 9% |
| 31-60 min | 5 | 6% |
| 61-120 min | 4 | 5% |
| 2+ hrs | 12 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 23 | 65% | +75 min |
| 2026-02 | 13 | 92% | -10 min |
| 2026-03 | 23 | 43% | +53 min |
| 2026-04 | 27 | 74% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 64% |
| Tue | 13 | 62% |
| Wed | 14 | 71% |
| Thu | 12 | 50% |
| Fri | 11 | 82% |
| Sat | 13 | 62% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…