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WanderNerd

Flight Reliability

WN 1625 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1625 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
4 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue88%(48 flights)
  • Wed87%(45 flights)
  • Thu88%(51 flights)
  • Fri89%(52 flights)
  • Sat84%(79 flights)
  • Sun70%(53 flights)
On-time by departure window
  • 3–6 AM97%(31 flights)
  • 6–9 AM90%(59 flights)
  • 9 AM–12 PM90%(79 flights)
  • 12–3 PM74%(124 flights)
  • 3–6 PM67%(12 flights)
  • 6–9 PM80%(75 flights)
On-time trend by month
74%
May

Jun 94% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%34
July 202589%35
August 202589%35
September 202594%34
October 202577%22
November 202581%37
December 202562%37
January 202690%31
February 202696%24
March 202667%30
April 202680%30
May 202674%31
Departures on time
80%
Diverted
0%
Flights flown
380
Months covered
12

Based on 385 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.