Flight OddsUA4331 TUL → IAH
United Airlines · Tulsa, OK to Houston, TX · 104 flights observed, 2026-01-06 to 2026-04-29 · 429 mi
UA4331 covers more than one route in the data window — the stats below are for TUL → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-17 min
90th percentile
+10 min
Cancellation rate
3%
How often is UA4331 on time?
Across 104 flights on TUL → IAH from 2026-01-06 to 2026-04-29, UA4331 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +10 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 | 92 | 91% |
| 16-30 min | 3 | 3% |
| 31-60 min | 3 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 96% | -5 min |
| 2026-02 | 23 | 96% | -21 min |
| 2026-03 | 28 | 96% | -10 min |
| 2026-04 | 25 | 76% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 93% |
| Tue | 14 | 100% |
| Wed | 17 | 82% |
| Thu | 16 | 94% |
| Fri | 16 | 94% |
| Sat | 8 | 100% |
| Sun | 15 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…