Flight OddsWN4738 BUF → PHX
Southwest Airlines · Buffalo, NY to Phoenix, AZ · 24 flights observed, 2025-07-01 to 2025-08-04 · 1,912 mi
WN4738 covers more than one route in the data window — the stats below are for BUF → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
+10 min
90th percentile
+64 min
Cancellation rate
0%
How often is WN4738 on time?
Across 24 flights on BUF → PHX from 2025-07-01 to 2025-08-04, WN4738 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +64 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 67% |
| 16-30 min | 2 | 8% |
| 31-60 min | 3 | 13% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 64% | +23 min |
| 2025-08 | 2 | 100% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 80% |
| Wed | 5 | 60% |
| Thu | 5 | 40% |
| Fri | 4 | 75% |
| 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…