ON TIMEBOARD

WN 8 on time

Southwest Airlines 8: Houston to Dallas at 8:00 a.m. (past 12 months)

On time
87%
179 flights · likely 81–91%
Cancelled
2.8%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+57 min
average delay
Similar flights
90%
WN, same route & hour

About 1 in 7 WN 8 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (13%); 2.8% were cancelled. The typical flight landed 12 minutes early.

WN 8: HOU → DAL

Scheduled to leave Houston at 8:00 a.m. local time. Over the past year it arrived on time 87% of the time (179 flights), worse than other WN flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (4 flights)SepOct 2025: too few flights (13 flights)OctNov 2025: 80% on time (15 flights)80NovDec 2025: too few flights (13 flights)DecJan 2026: too few flights (8 flights)JanFeb 2026: too few flights (8 flights)FebMar 2026: 95% on time (21 flights)95MarApr 2026: 90% on time (21 flights)90AprMay 2026: 78% on time (23 flights)78MayJun 2026: 76% on time (17 flights)76JunJul 2026: 83% on time (18 flights)83JulAug 2026: 100% on time (18 flights)100Aug

By day of week

DayFlightsOn time
Monday4083%
Tuesday4—
Wednesday1—
Thursday3887%
Friday4088%
Saturday3083%
Sunday2696%

Why it was late

Airline (crew, maintenance, ops) 44%Air traffic & airport (NAS) 32%Late inbound plane 23%

All flights HOU → DAL · Connecting off WN 8? Check the risk

Questions

How often is WN 8 from HOU to DAL late?

Southwest Airlines 8 from Houston, TX to Dallas, TX arrived 15 or more minutes late, was diverted or was cancelled on 13% of 179 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.