WN4031 MSP → BWI

Southwest Airlines · Minneapolis, MN to Baltimore, MD · 33 flights observed, 2026-03-05 to 2026-04-06 · 936 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 40% on Fridays.

WN4031 covers more than one route in the data window — the stats below are for MSP → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
69%
Median delay
+4 min
90th percentile
+53 min
Cancellation rate
3%

How often is WN4031 on time?

Across 33 flights on MSP → BWI from 2026-03-05 to 2026-04-06, WN4031 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +53 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2269%
16-30 min413%
31-60 min413%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032665%+18 min
2026-04683%+4 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue475%
Wed4100%
Thu560%
Fri540%
Sat560%
Sun475%

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