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WanderNerd

Flight Reliability

WN 2979 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2979 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

84%
Arrive within 15 minutes
3 min
Average arrival delay
0.9%
Cancelled
7 min early
Median arrival delay

Based on 346 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(49 flights)
  • Tue80%(54 flights)
  • Wed75%(52 flights)
  • Thu82%(49 flights)
  • Fri83%(48 flights)
  • Sat95%(38 flights)
  • Sun89%(53 flights)
On-time by departure window
  • 6–9 AM97%(149 flights)
  • 9 AM–12 PM93%(14 flights)
  • 12–3 PM(3 flights)
  • 3–6 PM81%(63 flights)
  • 6–9 PM54%(69 flights)
  • 9 PM–12 AM89%(45 flights)
On-time trend by month
100%
May

Jun 58% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%26
July 202568%22
August 202597%32
September 202597%34
October 202561%31
November 202582%27
December 202574%27
January 202689%28
February 202695%21
March 202685%33
April 202697%31
May 2026100%31
Departures on time
78%
Diverted
0%
Flights flown
343
Months covered
12

Based on 346 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.