Flight OddsUA4531 ORD → LIT
United Airlines · Chicago, IL to Little Rock, AR · 48 flights observed, 2025-09-25 to 2026-02-11 · 552 mi
UA4531 covers more than one route in the data window — the stats below are for ORD → LIT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
-4 min
90th percentile
+52 min
Cancellation rate
2%
How often is UA4531 on time?
Across 48 flights on ORD → LIT from 2025-09-25 to 2026-02-11, UA4531 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +52 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 | 32 | 70% |
| 16-30 min | 5 | 11% |
| 31-60 min | 4 | 9% |
| 61-120 min | 4 | 9% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 6 | 100% | -15 min |
| 2025-10 | 25 | 64% | +14 min |
| 2026-01 | 10 | 70% | +26 min |
| 2026-02 | 5 | 60% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 10 | 60% |
| Wed | 9 | 67% |
| Thu | 5 | 40% |
| Fri | 5 | 80% |
| Sat | 9 | 78% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…