Flight OddsGSP → IAH United Airlines
United Airlines · Greer, SC to Houston, TX · 667 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers
On-time arrival
86%
Median delay
-15 min
90th percentile
+32 min
Cancellation rate
1%
How on-time is United Airlines from GSP to IAH?
Across every United Airlines flight number on GSP → IAH (667 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -15 min; the worst 10% ran +32 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 564 | 86% |
| 16-30 min | 26 | 4% |
| 31-60 min | 27 | 4% |
| 61-120 min | 19 | 3% |
| 2+ hrs | 23 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 74% | +14 min |
| 2025-08 | 54 | 78% | +7 min |
| 2025-09 | 52 | 90% | -7 min |
| 2025-10 | 58 | 90% | -9 min |
| 2025-11 | 56 | 82% | -11 min |
| 2025-12 | 55 | 91% | -3 min |
| 2026-01 | 48 | 92% | -15 min |
| 2026-02 | 44 | 95% | -21 min |
| 2026-03 | 55 | 89% | -2 min |
| 2026-04 | 60 | 92% | -3 min |
| 2026-05 | 60 | 78% | +12 min |
| 2026-06 | 60 | 80% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 103 | 85% |
| Tue | 88 | 86% |
| Wed | 100 | 91% |
| Thu | 103 | 86% |
| Fri | 102 | 79% |
| Sat | 65 | 82% |
| Sun | 98 | 88% |
UA flight numbers on GSP → IAH
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…