Flight OddsUA4237 LIT → IAH
United Airlines · Little Rock, AR to Houston, TX · 177 flights observed, 2025-08-19 to 2026-03-02 · 374 mi
UA4237 covers more than one route in the data window — the stats below are for LIT → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-16 min
90th percentile
+14 min
Cancellation rate
1%
How often is UA4237 on time?
Across 177 flights on LIT → IAH from 2025-08-19 to 2026-03-02, UA4237 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +14 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 158 | 90% |
| 16-30 min | 5 | 3% |
| 31-60 min | 2 | 1% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 77% | +17 min |
| 2025-09 | 30 | 90% | -8 min |
| 2025-10 | 28 | 86% | -3 min |
| 2025-11 | 18 | 89% | -9 min |
| 2025-12 | 30 | 90% | -5 min |
| 2026-01 | 30 | 97% | +15 min |
| 2026-02 | 24 | 96% | -16 min |
| 2026-03 | 2 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 95% |
| Tue | 22 | 95% |
| Wed | 26 | 88% |
| Thu | 23 | 87% |
| Fri | 27 | 74% |
| Sat | 27 | 96% |
| Sun | 28 | 96% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…