WN1788 BWI → STL

Southwest Airlines · Baltimore, MD to St. Louis, MO · 33 flights observed, 2026-03-05 to 2026-04-06 · 738 mi

This flight has been getting more reliable recently — 2026-04's on-time rate (100%) is well above the 59% average from earlier months.

WN1788 covers more than one route in the data window — the stats below are for BWI → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
0 min
90th percentile
+88 min
Cancellation rate
0%

How often is WN1788 on time?

Across 33 flights on BWI → STL from 2026-03-05 to 2026-04-06, WN1788 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +88 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2267%
16-30 min515%
31-60 min13%
61-120 min412%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032759%+19 min
2026-046100%-8 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue450%
Wed450%
Thu560%
Fri560%
Sat580%
Sun580%

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