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Flight Reliability

WN 1779 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1779 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

68%
Arrive within 15 minutes
15 min
Average arrival delay
1.6%
Cancelled
1 min
Median arrival delay

Based on 381 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(54 flights)
  • Tue75%(51 flights)
  • Wed71%(51 flights)
  • Thu69%(54 flights)
  • Fri64%(55 flights)
  • Sat71%(48 flights)
  • Sun57%(61 flights)
On-time by departure window
  • 6–9 AM95%(62 flights)
  • 12–3 PM68%(57 flights)
  • 3–6 PM66%(165 flights)
  • 6–9 PM54%(28 flights)
  • 9 PM–12 AM53%(62 flights)
On-time trend by month
91%
May

Jun 74% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%34
July 202574%34
August 202571%34
September 202582%33
October 202547%30
November 202549%37
December 202561%33
January 202677%31
February 202657%28
March 202665%34
April 202683%24
May 202691%22
Departures on time
60%
Diverted
0.3%
Flights flown
374
Months covered
12

Keep nerding

Based on 381 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.