Flight OddsUA3987 IAH → MCI
United Airlines · Houston, TX to Kansas City, MO · 237 flights observed, 2025-10-26 to 2026-06-30 · 643 mi
UA3987 covers more than one route in the data window — the stats below are for IAH → MCI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-9 min
90th percentile
+25 min
Cancellation rate
0%
How often is UA3987 on time?
Across 237 flights on IAH → MCI from 2025-10-26 to 2026-06-30, UA3987 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +25 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 | 201 | 85% |
| 16-30 min | 13 | 6% |
| 31-60 min | 11 | 5% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 50% | +35 min |
| 2025-11 | 29 | 76% | +11 min |
| 2025-12 | 31 | 87% | +1 min |
| 2026-01 | 31 | 87% | -1 min |
| 2026-02 | 28 | 96% | -13 min |
| 2026-03 | 30 | 83% | +2 min |
| 2026-04 | 30 | 93% | -12 min |
| 2026-05 | 25 | 84% | -3 min |
| 2026-06 | 26 | 81% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 75% |
| Tue | 36 | 89% |
| Wed | 35 | 86% |
| Thu | 34 | 79% |
| Fri | 35 | 94% |
| Sat | 26 | 88% |
| Sun | 34 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…