Flight OddsUA284 IAH → TUS
United Airlines · Houston, TX to Tucson, AZ · 50 flights observed, 2026-03-29 to 2026-05-19 · 937 mi
UA284 covers more than one route in the data window — the stats below are for IAH → TUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-3 min
90th percentile
+51 min
Cancellation rate
0%
How often is UA284 on time?
Across 50 flights on IAH → TUS from 2026-03-29 to 2026-05-19, UA284 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +51 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 | 39 | 78% |
| 16-30 min | 2 | 4% |
| 31-60 min | 4 | 8% |
| 61-120 min | 4 | 8% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 100% | -22 min |
| 2026-04 | 30 | 77% | +8 min |
| 2026-05 | 17 | 76% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 100% |
| Tue | 8 | 88% |
| Wed | 5 | 80% |
| Thu | 7 | 71% |
| Fri | 7 | 86% |
| Sat | 7 | 43% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…