WN1427 PIT → STL

Southwest Airlines · Pittsburgh, PA to St. Louis, MO · 9 flights observed, 2025-10-04 to 2025-11-01 · 554 mi

WN1427 covers more than one route in the data window — the stats below are for PIT → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
-4 min
90th percentile
+25 min
Cancellation rate
0%

How often is WN1427 on time?

Across 9 flights on PIT → STL from 2025-10-04 to 2025-11-01, WN1427 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time778%
16-30 min111%
31-60 min111%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-10875%+3 min
2025-111100%-13 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat560%
Sun4100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…