Flight OddsGSP → HOU Southwest Airlines
Southwest Airlines · Greer, SC to Houston, TX · 204 flights, 2025-07-01 to 2026-03-02 · aggregated across 7 flight numbers
On-time arrival
84%
Median delay
-11 min
90th percentile
+23 min
Cancellation rate
1%
How on-time is Southwest Airlines from GSP to HOU?
Across every Southwest Airlines flight number on GSP → HOU (204 flights, 2025-07-01 to 2026-03-02), 84% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +23 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 169 | 84% |
| 16-30 min | 13 | 6% |
| 31-60 min | 6 | 3% |
| 61-120 min | 8 | 4% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 52% | +37 min |
| 2025-08 | 26 | 81% | +3 min |
| 2025-09 | 26 | 96% | -8 min |
| 2025-10 | 31 | 71% | +9 min |
| 2025-11 | 27 | 96% | -11 min |
| 2025-12 | 31 | 97% | -12 min |
| 2026-01 | 9 | 100% | -15 min |
| 2026-02 | 18 | 100% | -22 min |
| 2026-03 | 2 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 78% |
| Tue | 28 | 86% |
| Wed | 27 | 81% |
| Thu | 31 | 77% |
| Fri | 31 | 90% |
| Sat | 22 | 100% |
| Sun | 30 | 80% |
WN flight numbers on GSP → HOU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…