Flight OddsUA4553 SDF → ORD
United Airlines · Louisville, KY to Chicago, IL · 36 flights observed, 2025-10-26 to 2025-12-01 · 286 mi
UA4553 covers more than one route in the data window — the stats below are for SDF → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
55%
Median delay
+8 min
90th percentile
+211 min
Cancellation rate
14%
How often is UA4553 on time?
Across 36 flights on SDF → ORD from 2025-10-26 to 2025-12-01, UA4553 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +211 min or later. 14% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 55% |
| 16-30 min | 3 | 10% |
| 31-60 min | 3 | 10% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 4 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | +2 min |
| 2025-11 | 24 | 50% | +98 min |
| 2025-12 | 1 | 0% | +211 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 60% |
| Wed | 5 | 40% |
| Thu | 4 | 50% |
| Fri | 4 | 75% |
| Sat | 3 | 67% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…