LAS → BUF Southwest Airlines
Southwest Airlines · Las Vegas, NV to Buffalo, NY · 333 flights, 2025-07-01 to 2026-06-27 · aggregated across 23 flight numbers
On-time arrival
72%
Median delay
+2 min
90th percentile
+55 min
Cancellation rate
1%
How on-time is Southwest Airlines from LAS to BUF?
Across every Southwest Airlines flight number on LAS → BUF (333 flights, 2025-07-01 to 2026-06-27), 72% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +55 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 236 | 72% |
| 16-30 min | 40 | 12% |
| 31-60 min | 23 | 7% |
| 61-120 min | 22 | 7% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 35 | 63% | +33 min |
| 2025-08 | 32 | 72% | +9 min |
| 2025-09 | 29 | 72% | +9 min |
| 2025-10 | 31 | 81% | +4 min |
| 2025-11 | 28 | 71% | +10 min |
| 2025-12 | 29 | 66% | +12 min |
| 2026-01 | 26 | 77% | +3 min |
| 2026-02 | 26 | 88% | -5 min |
| 2026-03 | 27 | 74% | +5 min |
| 2026-04 | 29 | 66% | +9 min |
| 2026-05 | 31 | 65% | +19 min |
| 2026-06 | 7 | 57% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 70% |
| Tue | 49 | 71% |
| Wed | 49 | 82% |
| Thu | 48 | 63% |
| Fri | 48 | 75% |
| Sat | 43 | 81% |
| Sun | 46 | 59% |
WN flight numbers on LAS → BUF
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…