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Flight Reliability

WN 4422 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4422 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

83%
Arrive within 15 minutes
5 min
Average arrival delay
0.8%
Cancelled
6 min early
Median arrival delay

Based on 261 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(36 flights)
  • Tue95%(19 flights)
  • Wed94%(16 flights)
  • Thu83%(30 flights)
  • Fri74%(39 flights)
  • Sat84%(56 flights)
  • Sun79%(63 flights)
On-time by departure window
  • 3–6 AM97%(39 flights)
  • 6–9 AM94%(68 flights)
  • 9 AM–12 PM78%(60 flights)
  • 12–3 PM73%(41 flights)
  • 3–6 PM—(7 flights)
  • 6–9 PM73%(44 flights)
On-time trend by month
79%
May

Jun 91% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%32
July 202586%29
August 202592%25
September 2025100%21
November 202591%22
December 202589%28
January 202674%27
February 202669%16
March 202663%30
April 202680%15
May 202679%14
Departures on time
79%
Diverted
0%
Flights flown
259
Months covered
11

Keep nerding

Based on 261 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.