Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 36 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 36 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

78%
Arrive within 15 minutes
4 min
Average arrival delay
1.2%
Cancelled
8 min early
Median arrival delay

Based on 241 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(34 flights)
  • Tue89%(46 flights)
  • Wed78%(50 flights)
  • Thu70%(37 flights)
  • Fri89%(35 flights)
  • Sat63%(16 flights)
  • Sun65%(20 flights)
On-time by departure window
  • 12–3 PM94%(66 flights)
  • 3–6 PM72%(172 flights)
On-time trend by month
85%
May

Jun 75% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%12
July 202560%20
October 202594%18
November 202571%17
December 202582%22
January 202687%37
February 2026100%18
March 202650%28
April 202678%32
May 202685%34
Departures on time
77%
Diverted
0%
Flights flown
238
Months covered
10

Keep nerding

Based on 241 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.