Flight OddsUA4239 IAH → TUL
United Airlines · Houston, TX to Tulsa, OK · 60 flights observed, 2025-07-01 to 2026-06-30 · 429 mi
UA4239 covers more than one route in the data window — the stats below are for IAH → TUL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-9 min
90th percentile
+46 min
Cancellation rate
3%
How often is UA4239 on time?
Across 60 flights on IAH → TUL from 2025-07-01 to 2026-06-30, UA4239 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +46 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 46 | 79% |
| 16-30 min | 4 | 7% |
| 31-60 min | 4 | 7% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 76% | +8 min |
| 2025-08 | 18 | 83% | -4 min |
| 2026-05 | 9 | 78% | +4 min |
| 2026-06 | 2 | 100% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 8 | 88% |
| Wed | 8 | 75% |
| Thu | 9 | 67% |
| Fri | 9 | 56% |
| Sat | 7 | 100% |
| Sun | 9 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…