Flight OddsWN3878 PHX → SDF
Southwest Airlines · Phoenix, AZ to Louisville, KY · 42 flights observed, 2026-04-07 to 2026-06-03 · 1,506 mi
WN3878 covers more than one route in the data window — the stats below are for PHX → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
52%
Median delay
+14 min
90th percentile
+46 min
Cancellation rate
0%
How often is WN3878 on time?
Across 42 flights on PHX → SDF from 2026-04-07 to 2026-06-03, WN3878 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +46 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 | 22 | 52% |
| 16-30 min | 9 | 21% |
| 31-60 min | 8 | 19% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 18 | 33% | +26 min |
| 2026-05 | 21 | 67% | +18 min |
| 2026-06 | 3 | 67% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 9 | 22% |
| Wed | 9 | 78% |
| Thu | 8 | 38% |
| Fri | 8 | 63% |
| 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…