Flight OddsUA4428 LEX → ORD
United Airlines · Lexington, KY to Chicago, IL · 165 flights observed, 2025-10-26 to 2026-05-20 · 323 mi
UA4428 covers more than one route in the data window — the stats below are for LEX → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-6 min
90th percentile
+166 min
Cancellation rate
5%
How often is UA4428 on time?
Across 165 flights on LEX → ORD from 2025-10-26 to 2026-05-20, UA4428 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +166 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 114 | 73% |
| 16-30 min | 13 | 8% |
| 31-60 min | 3 | 2% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 18 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -14 min |
| 2025-11 | 29 | 76% | +30 min |
| 2025-12 | 16 | 56% | +90 min |
| 2026-01 | 23 | 65% | +41 min |
| 2026-02 | 11 | 91% | -15 min |
| 2026-03 | 25 | 68% | +55 min |
| 2026-04 | 28 | 68% | +36 min |
| 2026-05 | 19 | 84% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 70% |
| Tue | 23 | 70% |
| Wed | 23 | 74% |
| Thu | 22 | 82% |
| Fri | 22 | 68% |
| Sat | 21 | 76% |
| Sun | 23 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…