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Flight Reliability

WN 2025 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2025 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

78%
Arrive within 15 minutes
3 min
Average arrival delay
0.5%
Cancelled
2 min early
Median arrival delay

Based on 431 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(72 flights)
  • Tue90%(61 flights)
  • Wed93%(61 flights)
  • Thu70%(74 flights)
  • Fri73%(71 flights)
  • Sat81%(36 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 3–6 AM96%(28 flights)
  • 6–9 AM91%(53 flights)
  • 9 AM–12 PM89%(74 flights)
  • 12–3 PM79%(119 flights)
  • 3–6 PM73%(44 flights)
  • 6–9 PM60%(100 flights)
  • 9 PM–12 AM—(9 flights)
On-time trend by month
65%
May

Jun 72% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202583%30
August 202592%49
September 202583%52
October 202564%67
November 202585%27
December 202561%28
January 202682%27
February 202681%26
March 202694%31
April 202677%30
May 202665%31
Departures on time
70%
Diverted
0.5%
Flights flown
427
Months covered
12

Keep nerding

Based on 431 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.