ON TIMEBOARD

WN 57 on time

Southwest Airlines 57: Dallas to Houston at 8:30 p.m. (past 12 months)

On time
64%
216 flights · likely 58–70%
Cancelled
2.8%
of scheduled flights
Typical arrival
+2 min
median vs schedule
When late
+56 min
average delay
Similar flights
62%
WN, same route & hour

About 1 in 3 WN 57 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (36%); 2.8% were cancelled. The typical flight landed 2 minutes late.

WN 57: DAL → HOU

Scheduled to leave Dallas at 8:30 p.m. local time. Over the past year it arrived on time 64% of the time (216 flights), in line with other WN flights on the route at that hour (62%). Last seen in the data Aug 31, 2026.

Usually Southwest Airlines's last flight of the day from Dallas to Houston (53% of days). Southwest Airlines's last DAL–HOU flight was cancelled 2.2% of the time, against 1.9% for its earlier ones. If it's cancelled, the next Southwest Airlines flight is usually around 6:00 a.m. the next morning.

Month by month

10%55%100%Sep 2025: 86% on time (22 flights)86SepOct 2025: too few flights (5 flights)OctNov 2025: 48% on time (25 flights)48NovDec 2025: 81% on time (27 flights)81DecJan 2026: 78% on time (27 flights)78JanFeb 2026: 88% on time (24 flights)88FebMar 2026: 52% on time (27 flights)52MarApr 2026: too few flights (8 flights)AprMay 2026: too few flights (4 flights)MayJun 2026: too few flights (12 flights)JunJul 2026: too few flights (14 flights)JulAug 2026: 24% on time (21 flights)24Aug

By day of week

DayFlightsOn time
Monday4173%
Tuesday3181%
Wednesday2959%
Thursday3858%
Friday3959%
Saturday5—
Sunday3352%

Why it was late

Late inbound plane 67%Airline (crew, maintenance, ops) 26%Air traffic & airport (NAS) 6%Severe weather 1%

All flights DAL → HOU · Connecting off WN 57? Check the risk

Questions

How often is WN 57 from DAL to HOU late?

Southwest Airlines 57 from Dallas, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 36% of 216 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Southwest Airlines for today's flight. Method.