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Flight Reliability

WN 1935 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1935 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

80%
Arrive within 15 minutes
6 min
Average arrival delay
0.7%
Cancelled
6 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(65 flights)
  • Tue65%(52 flights)
  • Wed73%(51 flights)
  • Thu79%(66 flights)
  • Fri91%(68 flights)
  • Sat87%(61 flights)
  • Sun79%(66 flights)
On-time by departure window
  • 6–9 AM87%(52 flights)
  • 9 AM–12 PM82%(99 flights)
  • 12–3 PM—(5 flights)
  • 3–6 PM86%(87 flights)
  • 6–9 PM76%(143 flights)
  • 9 PM–12 AM67%(43 flights)
On-time trend by month
77%
May

Jun 84% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%31
July 202561%31
August 202584%45
September 202585%47
October 202573%48
November 202593%30
December 202581%31
January 202689%36
February 202684%37
March 202669%32
April 202680%30
May 202677%31
Departures on time
76%
Diverted
0%
Flights flown
429
Months covered
12

Keep nerding

Based on 432 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.