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Flight Reliability

WN 1225 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1225 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

76%
Arrive within 15 minutes
9 min
Average arrival delay
0.3%
Cancelled
1 min early
Median arrival delay

Based on 384 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(50 flights)
  • Tue84%(61 flights)
  • Wed80%(61 flights)
  • Thu65%(52 flights)
  • Fri67%(51 flights)
  • Sat85%(47 flights)
  • Sun72%(61 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM96%(48 flights)
  • 9 AM–12 PM88%(96 flights)
  • 12–3 PM72%(132 flights)
  • 3–6 PM52%(52 flights)
  • 6–9 PM65%(49 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
84%
May

Jun 64% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%33
July 202579%34
August 202593%40
September 2025100%39
October 202569%32
November 202557%28
December 202569%29
January 202672%29
February 202654%28
March 202667%30
April 202683%30
May 202684%31
Departures on time
72%
Diverted
0%
Flights flown
383
Months covered
12

Keep nerding

Based on 384 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.