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WanderNerd

Flight Reliability

WN 733 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 733 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
6 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(55 flights)
  • Tue84%(69 flights)
  • Wed77%(68 flights)
  • Thu68%(56 flights)
  • Fri76%(55 flights)
  • Sat90%(38 flights)
  • Sun92%(48 flights)
On-time by departure window
  • 3–6 AM(8 flights)
  • 6–9 AM97%(100 flights)
  • 9 AM–12 PM77%(110 flights)
  • 12–3 PM81%(37 flights)
  • 3–6 PM66%(65 flights)
  • 6–9 PM58%(69 flights)
On-time trend by month
73%
May

Jun 59% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%39
July 202552%46
August 202590%38
September 202595%39
October 202584%32
November 202572%29
December 202587%30
January 202690%29
February 202675%28
March 202696%27
April 202673%26
May 202673%26
Departures on time
73%
Diverted
0.3%
Flights flown
389
Months covered
12

Based on 394 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.