Flight OddsUA4026 GRR → IAH
United Airlines · Grand Rapids, MI to Houston, TX · 57 flights observed, 2026-01-06 to 2026-03-04 · 1,042 mi
UA4026 covers more than one route in the data window — the stats below are for GRR → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-9 min
90th percentile
+49 min
Cancellation rate
2%
How often is UA4026 on time?
Across 57 flights on GRR → IAH from 2026-01-06 to 2026-03-04, UA4026 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +49 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 79% |
| 16-30 min | 3 | 5% |
| 31-60 min | 5 | 9% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 60% | +22 min |
| 2026-02 | 27 | 93% | -14 min |
| 2026-03 | 4 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 9 | 78% |
| Wed | 8 | 88% |
| Thu | 8 | 88% |
| Fri | 8 | 63% |
| Sat | 8 | 75% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…