Flight OddsBWI → GSP Southwest Airlines
Southwest Airlines · Baltimore, MD to Greer, SC · 720 flights, 2025-07-01 to 2026-06-30 · aggregated across 31 flight numbers
On-time arrival
83%
Median delay
-7 min
90th percentile
+40 min
Cancellation rate
1%
How on-time is Southwest Airlines from BWI to GSP?
Across every Southwest Airlines flight number on BWI → GSP (720 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +40 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 589 | 83% |
| 16-30 min | 39 | 5% |
| 31-60 min | 36 | 5% |
| 61-120 min | 24 | 3% |
| 2+ hrs | 23 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 72% | +29 min |
| 2025-08 | 62 | 85% | +8 min |
| 2025-09 | 60 | 92% | -1 min |
| 2025-10 | 58 | 90% | 0 min |
| 2025-11 | 56 | 89% | -6 min |
| 2025-12 | 60 | 72% | +8 min |
| 2026-01 | 56 | 91% | -6 min |
| 2026-02 | 55 | 84% | -1 min |
| 2026-03 | 62 | 84% | +10 min |
| 2026-04 | 60 | 87% | 0 min |
| 2026-05 | 62 | 82% | +6 min |
| 2026-06 | 59 | 68% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 104 | 77% |
| Tue | 106 | 84% |
| Wed | 104 | 86% |
| Thu | 103 | 85% |
| Fri | 103 | 84% |
| Sat | 92 | 84% |
| Sun | 99 | 80% |
WN flight numbers on BWI → GSP
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…