Flight OddsUA4056 TUS → IAH
United Airlines · Tucson, AZ to Houston, TX · 34 flights observed, 2026-05-22 to 2026-06-24 · 937 mi
UA4056 covers more than one route in the data window — the stats below are for TUS → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-15 min
90th percentile
+4 min
Cancellation rate
0%
How often is UA4056 on time?
Across 34 flights on TUS → IAH from 2026-05-22 to 2026-06-24, UA4056 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +4 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 | 32 | 94% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 10 | 90% | -10 min |
| 2026-06 | 24 | 96% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 100% |
| Fri | 5 | 80% |
| Sat | 5 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…