Flight OddsUnited Airlines · Colorado Springs, CO to Houston, TX · 130 flights observed, 2026-01-06 to 2026-05-20 · 809 mi
UA4015 covers more than one route in the data window — the stats below are for COS → IAH, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4015 on time?
Across 130 flights on COS → IAH from 2026-01-06 to 2026-05-20, UA4015 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +23 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 | 114 | 88% |
| 16-30 min | 3 | 2% |
| 31-60 min | 5 | 4% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 5 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 91% | -2 min |
| 2026-02 | 27 | 93% | -16 min |
| 2026-03 | 30 | 83% | +70 min |
| 2026-04 | 30 | 93% | -11 min |
| 2026-05 | 20 | 80% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 84% |
| Tue | 20 | 90% |
| Wed | 20 | 90% |
| Thu | 19 | 95% |
| Fri | 19 | 89% |
| Sat | 14 | 71% |
| Sun | 18 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…