WN3972 STL → PIT

Southwest Airlines · St. Louis, MO to Pittsburgh, PA · 23 flights observed, 2026-06-04 to 2026-06-30 · 554 mi

WN3972 covers more than one route in the data window — the stats below are for STL → PIT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
65%
Median delay
+8 min
90th percentile
+70 min
Cancellation rate
0%

How often is WN3972 on time?

Across 23 flights on STL → PIT from 2026-06-04 to 2026-06-30, WN3972 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +70 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1565%
16-30 min14%
31-60 min313%
61-120 min417%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062365%+20 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue475%
Wed367%
Thu425%
Fri475%
SatNo data—
Sun475%

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