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Flight Reliability

WN 3753 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3753 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
4 min
Average arrival delay
1.9%
Cancelled
1 min early
Median arrival delay

Based on 317 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(40 flights)
  • Tue81%(42 flights)
  • Wed87%(39 flights)
  • Thu80%(40 flights)
  • Fri77%(51 flights)
  • Sat83%(35 flights)
  • Sun78%(63 flights)
On-time by departure window
  • 3–6 AM—(7 flights)
  • 6–9 AM93%(83 flights)
  • 9 AM–12 PM86%(57 flights)
  • 12–3 PM66%(70 flights)
  • 3–6 PM76%(62 flights)
  • 6–9 PM61%(31 flights)
On-time trend by month
48%
May

Aug 100% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 2025100%23
September 202596%26
October 202558%36
November 202586%29
December 202571%21
January 202693%29
February 2026100%34
March 202666%38
April 202677%31
May 202648%31
Departures on time
76%
Diverted
0.3%
Flights flown
310
Months covered
12

Keep nerding

Based on 317 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.