Flight OddsUA4559 LIT → ORD
United Airlines · Little Rock, AR to Chicago, IL · 25 flights observed, 2026-04-01 to 2026-04-29 · 552 mi
UA4559 covers more than one route in the data window — the stats below are for LIT → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+8 min
90th percentile
+124 min
Cancellation rate
12%
How often is UA4559 on time?
Across 25 flights on LIT → ORD from 2026-04-01 to 2026-04-29, UA4559 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +124 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 12 | 57% |
| 16-30 min | 3 | 14% |
| 31-60 min | 1 | 5% |
| 61-120 min | 2 | 10% |
| 2+ hrs | 3 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 21 | 57% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 4 | 50% |
| Wed | 5 | 40% |
| Thu | 3 | 67% |
| Fri | 2 | 50% |
| Sat | 4 | 75% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…