Flight OddsGSP → BWI Southwest Airlines
Southwest Airlines · Greer, SC to Baltimore, MD · 719 flights, 2025-07-01 to 2026-06-30 · aggregated across 39 flight numbers
On-time arrival
90%
Median delay
-10 min
90th percentile
+15 min
Cancellation rate
2%
How on-time is Southwest Airlines from GSP to BWI?
Across every Southwest Airlines flight number on GSP → BWI (719 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +15 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 638 | 90% |
| 16-30 min | 21 | 3% |
| 31-60 min | 19 | 3% |
| 61-120 min | 17 | 2% |
| 2+ hrs | 13 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 74% | +15 min |
| 2025-08 | 62 | 90% | -2 min |
| 2025-09 | 60 | 95% | -5 min |
| 2025-10 | 58 | 95% | -1 min |
| 2025-11 | 56 | 89% | +0 min |
| 2025-12 | 59 | 88% | +3 min |
| 2026-01 | 56 | 93% | -15 min |
| 2026-02 | 53 | 94% | -8 min |
| 2026-03 | 61 | 92% | -1 min |
| 2026-04 | 60 | 95% | -9 min |
| 2026-05 | 62 | 90% | -3 min |
| 2026-06 | 60 | 87% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 102 | 82% |
| Tue | 106 | 93% |
| Wed | 103 | 93% |
| Thu | 103 | 86% |
| Fri | 103 | 89% |
| Sat | 92 | 93% |
| Sun | 99 | 93% |
WN flight numbers on GSP → BWI
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…