UA4238 IAH → XNA
United Airlines · Houston, TX to Fayetteville, AR · 123 flights observed, 2025-07-01 to 2026-03-28 · 438 mi
UA4238 covers more than one route in the data window — the stats below are for IAH → XNA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-6 min
90th percentile
+45 min
Cancellation rate
2%
How often is UA4238 on time?
Across 123 flights on IAH → XNA from 2025-07-01 to 2026-03-28, UA4238 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +45 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 | 92 | 77% |
| 16-30 min | 10 | 8% |
| 31-60 min | 8 | 7% |
| 61-120 min | 6 | 5% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +6 min |
| 2025-08 | 27 | 70% | +12 min |
| 2025-09 | 16 | 88% | -8 min |
| 2025-10 | 4 | 75% | -1 min |
| 2025-11 | 19 | 74% | +12 min |
| 2025-12 | 1 | 100% | +13 min |
| 2026-03 | 22 | 68% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 76% |
| Tue | 11 | 73% |
| Wed | 10 | 100% |
| Thu | 20 | 60% |
| Fri | 21 | 76% |
| Sat | 17 | 88% |
| Sun | 20 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…