UA4819 TUL → IAH
United Airlines · Tulsa, OK to Houston, TX · 29 flights observed, 2025-07-05 to 2026-05-20 · 429 mi
UA4819 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
76%
Median delay
-5 min
90th percentile
+39 min
Cancellation rate
0%
How often is UA4819 on time?
Across 29 flights on TUL → IAH from 2025-07-05 to 2026-05-20, UA4819 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 76% |
| 16-30 min | 3 | 10% |
| 31-60 min | 2 | 7% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 75% | +58 min |
| 2026-04 | 1 | 0% | +17 min |
| 2026-05 | 20 | 80% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 67% |
| Wed | 3 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 67% |
| Sat | 7 | 71% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…