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Flight Reliability

WN 945 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 945 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
8 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 321 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(48 flights)
  • Tue83%(48 flights)
  • Wed77%(48 flights)
  • Thu81%(52 flights)
  • Fri73%(48 flights)
  • Sat87%(31 flights)
  • Sun67%(42 flights)
On-time by departure window
  • 6–9 AM95%(74 flights)
  • 9 AM–12 PM91%(79 flights)
  • 12–3 PM72%(36 flights)
  • 6–9 PM62%(128 flights)
On-time trend by month
55%
May

Jun 43% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202543%21
July 202555%22
August 202579%28
September 202590%29
October 202577%31
November 202583%24
December 202594%18
January 2026100%28
February 202684%25
March 202693%30
April 202677%30
May 202655%31
Departures on time
72%
Diverted
0%
Flights flown
317
Months covered
12

Keep nerding

Based on 321 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.