Flight OddsUA4429 BHM → ORD
United Airlines · Birmingham, AL to Chicago, IL · 65 flights observed, 2026-01-07 to 2026-04-25 · 584 mi
UA4429 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
75%
Median delay
-6 min
90th percentile
+147 min
Cancellation rate
2%
How often is UA4429 on time?
Across 65 flights on BHM → ORD from 2026-01-07 to 2026-04-25, UA4429 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +147 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 47 | 75% |
| 16-30 min | 2 | 3% |
| 31-60 min | 4 | 6% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 8 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 64% | +27 min |
| 2026-02 | 11 | 91% | -11 min |
| 2026-03 | 23 | 74% | +50 min |
| 2026-04 | 4 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 75% |
| Wed | 9 | 67% |
| Thu | 9 | 78% |
| Fri | 8 | 88% |
| Sat | 13 | 77% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…