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WanderNerd

Flight Reliability

WN 1975 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1975 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

79%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(52 flights)
  • Tue86%(56 flights)
  • Wed80%(55 flights)
  • Thu83%(53 flights)
  • Fri76%(55 flights)
  • Sat82%(39 flights)
  • Sun72%(64 flights)
On-time by departure window
  • 3–6 AM97%(35 flights)
  • 6–9 AM91%(43 flights)
  • 9 AM–12 PM86%(57 flights)
  • 12–3 PM78%(83 flights)
  • 3–6 PM83%(66 flights)
  • 6–9 PM60%(90 flights)
On-time trend by month
54%
May

Jun 100% → May 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 202590%31
August 202576%29
September 202590%30
October 202584%31
November 202571%28
December 202561%31
January 202692%26
February 202690%31
March 202685%39
April 202662%34
May 202654%35
Departures on time
74%
Diverted
0%
Flights flown
374
Months covered
12

Based on 377 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.