WN1639 DAL → STL

Southwest Airlines · Dallas, TX to St. Louis, MO · 27 flights observed, 2025-10-02 to 2025-11-01 · 546 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 60% on Saturdays.

WN1639 covers more than one route in the data window — the stats below are for DAL → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
85%
Median delay
-12 min
90th percentile
+28 min
Cancellation rate
0%

How often is WN1639 on time?

Across 27 flights on DAL → STL from 2025-10-02 to 2025-11-01, WN1639 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +28 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2385%
16-30 min14%
31-60 min27%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102685%-3 min
2025-111100%-16 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue4100%
Wed475%
Thu5100%
Fri580%
Sat560%
SunNo data—

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