Flight OddsUA1599 DEN → IAH
United Airlines · Denver, CO to Houston, TX · 139 flights observed, 2026-02-12 to 2026-06-30 · 861 mi
UA1599 covers more than one route in the data window — the stats below are for DEN → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-4 min
90th percentile
+43 min
Cancellation rate
1%
How often is UA1599 on time?
Across 139 flights on DEN → IAH from 2026-02-12 to 2026-06-30, UA1599 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +43 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 | 104 | 76% |
| 16-30 min | 12 | 9% |
| 31-60 min | 7 | 5% |
| 61-120 min | 5 | 4% |
| 2+ hrs | 8 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 65% | +8 min |
| 2026-03 | 29 | 79% | +22 min |
| 2026-04 | 30 | 80% | -1 min |
| 2026-05 | 31 | 81% | +26 min |
| 2026-06 | 29 | 72% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 85% |
| Tue | 19 | 84% |
| Wed | 18 | 56% |
| Thu | 20 | 85% |
| Fri | 20 | 65% |
| Sat | 19 | 74% |
| Sun | 20 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…