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WanderNerd

Flight Reliability

WN 4022 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4022 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

65%
Arrive within 15 minutes
26 min
Average arrival delay
0.8%
Cancelled
7 min
Median arrival delay

Based on 244 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(31 flights)
  • Tue67%(27 flights)
  • Wed72%(29 flights)
  • Thu52%(33 flights)
  • Fri71%(31 flights)
  • Sat67%(36 flights)
  • Sun62%(55 flights)
On-time by departure window
  • 3–6 AM(5 flights)
  • 6–9 AM(9 flights)
  • 9 AM–12 PM69%(35 flights)
  • 12–3 PM66%(127 flights)
  • 3–6 PM46%(28 flights)
  • 6–9 PM60%(37 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
75%
Apr

Jun 60% → Apr 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202552%31
November 202556%25
December 202590%19
January 202683%29
February 202654%35
March 202672%43
April 202675%12
Departures on time
61%
Diverted
0%
Flights flown
242
Months covered
11

Based on 244 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.