WN1789 MIA → STL

Southwest Airlines · Miami, FL to St. Louis, MO · 35 flights observed, 2025-07-01 to 2025-08-04 · 1,068 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 20% on Tuesdays.

WN1789 covers more than one route in the data window — the stats below are for MIA → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
60%
Median delay
+8 min
90th percentile
+113 min
Cancellation rate
0%

How often is WN1789 on time?

Across 35 flights on MIA → STL from 2025-07-01 to 2025-08-04, WN1789 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +113 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2160%
16-30 min39%
31-60 min39%
61-120 min411%
2+ hrs411%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073158%+40 min
2025-08475%+14 min

Performance by day of week

DayFlightsOn-time
Mon540%
Tue520%
Wed560%
Thu5100%
Fri560%
Sat560%
Sun580%

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