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WanderNerd

Flight Reliability

WN 1933 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1933 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

70%
Arrive within 15 minutes
15 min
Average arrival delay
1.9%
Cancelled
3 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(59 flights)
  • Tue66%(44 flights)
  • Wed61%(46 flights)
  • Thu72%(61 flights)
  • Fri80%(64 flights)
  • Sat89%(27 flights)
  • Sun56%(63 flights)
On-time by departure window
  • 3–6 AM95%(20 flights)
  • 6–9 AM97%(68 flights)
  • 9 AM–12 PM78%(46 flights)
  • 12–3 PM60%(42 flights)
  • 3–6 PM59%(75 flights)
  • 6–9 PM55%(97 flights)
  • 9 PM–12 AM69%(16 flights)
On-time trend by month
23%
May

Jun 75% → May 23% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%16
July 202588%17
August 202541%17
September 202553%17
October 202597%30
November 202587%38
December 202575%32
January 202665%31
February 202684%25
March 202696%56
April 202648%42
May 202623%43
Departures on time
68%
Diverted
0%
Flights flown
364
Months covered
12

Based on 371 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.