Flight OddsBWI → ISP Southwest Airlines
Southwest Airlines · Baltimore, MD to Islip, NY · 1,218 flights, 2025-07-01 to 2026-06-30 · aggregated across 63 flight numbers
On-time arrival
79%
Median delay
-2 min
90th percentile
+35 min
Cancellation rate
2%
How on-time is Southwest Airlines from BWI to ISP?
Across every Southwest Airlines flight number on BWI → ISP (1,218 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +35 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 934 | 79% |
| 16-30 min | 112 | 9% |
| 31-60 min | 82 | 7% |
| 61-120 min | 46 | 4% |
| 2+ hrs | 15 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 119 | 66% | +13 min |
| 2025-08 | 97 | 75% | +13 min |
| 2025-09 | 90 | 84% | +2 min |
| 2025-10 | 92 | 87% | +1 min |
| 2025-11 | 89 | 81% | +3 min |
| 2025-12 | 90 | 74% | +5 min |
| 2026-01 | 90 | 90% | -2 min |
| 2026-02 | 80 | 86% | -1 min |
| 2026-03 | 84 | 71% | +12 min |
| 2026-04 | 107 | 83% | +6 min |
| 2026-05 | 114 | 71% | +12 min |
| 2026-06 | 137 | 79% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 173 | 79% |
| Tue | 178 | 82% |
| Wed | 175 | 80% |
| Thu | 176 | 77% |
| Fri | 178 | 83% |
| Sat | 157 | 81% |
| Sun | 152 | 67% |
WN flight numbers on BWI → ISP
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…