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Flight Reliability

WN 1945 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1945 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
1.3%
Cancelled
2 min early
Median arrival delay

Based on 390 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(54 flights)
  • Tue86%(51 flights)
  • Wed85%(52 flights)
  • Thu71%(52 flights)
  • Fri71%(55 flights)
  • Sat85%(47 flights)
  • Sun69%(71 flights)
On-time by departure window
  • 3–6 AM85%(13 flights)
  • 6–9 AM92%(24 flights)
  • 9 AM–12 PM93%(73 flights)
  • 12–3 PM70%(84 flights)
  • 3–6 PM65%(80 flights)
  • 6–9 PM79%(67 flights)
  • 9 PM–12 AM73%(41 flights)
On-time trend by month
50%
May

Jun 65% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%20
July 202559%17
August 202572%43
September 202598%47
October 202590%29
November 202593%42
December 202566%35
January 202685%33
February 202671%28
March 202693%29
April 202659%29
May 202650%30
Departures on time
74%
Diverted
0.8%
Flights flown
382
Months covered
12

Keep nerding

Based on 390 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.