Flight OddsWN3979 BWI → BUF
Southwest Airlines · Baltimore, MD to Buffalo, NY · 24 flights observed, 2025-07-01 to 2025-08-04 · 281 mi
WN3979 covers more than one route in the data window — the stats below are for BWI → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
30%
Median delay
+25 min
90th percentile
+124 min
Cancellation rate
4%
How often is WN3979 on time?
Across 24 flights on BWI → BUF from 2025-07-01 to 2025-08-04, WN3979 arrived within 15 minutes of schedule 30% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +124 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 30% |
| 16-30 min | 9 | 39% |
| 31-60 min | 2 | 9% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 3 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 33% | +39 min |
| 2025-08 | 2 | 0% | +81 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 20% |
| Tue | 5 | 0% |
| Wed | 4 | 50% |
| Thu | 5 | 60% |
| Fri | 4 | 25% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…