Flight OddsHOU → GSP Southwest Airlines
Southwest Airlines · Houston, TX to Greer, SC · 204 flights, 2025-07-01 to 2026-03-02 · aggregated across 16 flight numbers
On-time arrival
85%
Median delay
-3 min
90th percentile
+23 min
Cancellation rate
1%
How on-time is Southwest Airlines from HOU to GSP?
Across every Southwest Airlines flight number on HOU → GSP (204 flights, 2025-07-01 to 2026-03-02), 85% arrived within 15 minutes of schedule. Median arrival delay -3 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 | 172 | 85% |
| 16-30 min | 18 | 9% |
| 31-60 min | 6 | 3% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 61% | +18 min |
| 2025-08 | 26 | 85% | -1 min |
| 2025-09 | 26 | 96% | -2 min |
| 2025-10 | 31 | 94% | -1 min |
| 2025-11 | 28 | 96% | -6 min |
| 2025-12 | 31 | 84% | -2 min |
| 2026-01 | 9 | 78% | +3 min |
| 2026-02 | 18 | 83% | +4 min |
| 2026-03 | 2 | 100% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 88% |
| Tue | 28 | 93% |
| Wed | 27 | 89% |
| Thu | 31 | 81% |
| Fri | 32 | 66% |
| Sat | 22 | 91% |
| Sun | 30 | 93% |
WN flight numbers on HOU → GSP
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…