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Flight Reliability

WN 1336 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1336 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 373 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(60 flights)
  • Tue79%(57 flights)
  • Wed86%(57 flights)
  • Thu85%(61 flights)
  • Fri83%(59 flights)
  • Sat83%(36 flights)
  • Sun76%(37 flights)
On-time by departure window
  • 6–9 AM95%(159 flights)
  • 9 AM–12 PM80%(55 flights)
  • 12–3 PM85%(58 flights)
  • 3–6 PM—(7 flights)
  • 6–9 PM58%(87 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
43%
May

Jun 100% → May 43% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%27
July 202592%24
August 202596%49
September 202589%52
October 202592%24
November 202586%29
December 202591%33
January 202689%26
February 202670%23
March 202662%21
April 202652%29
May 202643%30
Departures on time
78%
Diverted
0.3%
Flights flown
367
Months covered
12

Keep nerding

Based on 373 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.