Flight OddsUA4839 IAH → AMA
United Airlines · Houston, TX to Amarillo, TX · 360 flights observed, 2025-07-01 to 2026-06-30 · 518 mi
On-time arrival
84%
Median delay
-11 min
90th percentile
+37 min
Cancellation rate
1%
How often is UA4839 on time?
Across 360 flights on IAH → AMA from 2025-07-01 to 2026-06-30, UA4839 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +37 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 302 | 84% |
| 16-30 min | 15 | 4% |
| 31-60 min | 19 | 5% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 80% | +5 min |
| 2025-08 | 31 | 84% | 0 min |
| 2025-09 | 30 | 100% | -11 min |
| 2025-10 | 31 | 87% | -3 min |
| 2025-11 | 29 | 83% | -1 min |
| 2025-12 | 28 | 93% | -8 min |
| 2026-01 | 30 | 83% | +48 min |
| 2026-02 | 28 | 96% | -11 min |
| 2026-03 | 31 | 77% | +18 min |
| 2026-04 | 30 | 80% | -2 min |
| 2026-05 | 30 | 77% | +3 min |
| 2026-06 | 30 | 73% | +35 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 92% |
| Tue | 53 | 83% |
| Wed | 50 | 90% |
| Thu | 50 | 82% |
| Fri | 49 | 78% |
| Sat | 52 | 87% |
| Sun | 52 | 79% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…