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WanderNerd

Flight Reliability

WN 4402 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4402 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
3 min
Average arrival delay
2.0%
Cancelled
6 min early
Median arrival delay

Based on 250 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(43 flights)
  • Tue92%(25 flights)
  • Wed100%(22 flights)
  • Thu81%(42 flights)
  • Fri70%(47 flights)
  • Sat90%(19 flights)
  • Sun89%(46 flights)
On-time by departure window
  • 3–6 AM(1 flights)
  • 6–9 AM86%(55 flights)
  • 9 AM–12 PM91%(88 flights)
  • 12–3 PM83%(60 flights)
  • 3–6 PM58%(33 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
79%
May

Jun 80% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%46
July 202592%50
November 202588%17
December 202575%16
February 2026100%15
March 202675%44
April 202685%20
May 202679%14
Departures on time
76%
Diverted
0.4%
Flights flown
244
Months covered
11

Based on 250 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.