Flight OddsBWI → BUF Southwest Airlines
Southwest Airlines · Baltimore, MD to Buffalo, NY · 1,739 flights, 2025-07-01 to 2026-06-30 · aggregated across 95 flight numbers
On-time arrival
78%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
2%
How on-time is Southwest Airlines from BWI to BUF?
Across every Southwest Airlines flight number on BWI → BUF (1,739 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +37 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,324 | 78% |
| 16-30 min | 170 | 10% |
| 31-60 min | 109 | 6% |
| 61-120 min | 60 | 4% |
| 2+ hrs | 41 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 137 | 64% | +22 min |
| 2025-08 | 147 | 82% | +10 min |
| 2025-09 | 147 | 88% | -3 min |
| 2025-10 | 149 | 84% | +2 min |
| 2025-11 | 142 | 85% | 0 min |
| 2025-12 | 145 | 69% | +12 min |
| 2026-01 | 122 | 84% | +1 min |
| 2026-02 | 123 | 81% | +4 min |
| 2026-03 | 143 | 65% | +16 min |
| 2026-04 | 148 | 80% | +7 min |
| 2026-05 | 154 | 72% | +11 min |
| 2026-06 | 147 | 78% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 246 | 76% |
| Tue | 253 | 79% |
| Wed | 248 | 83% |
| Thu | 252 | 75% |
| Fri | 249 | 79% |
| Sat | 222 | 77% |
| Sun | 234 | 74% |
WN flight numbers on BWI → BUF
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…