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WanderNerd

Flight Reliability

WN 149 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 149 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
1.5%
Cancelled
1 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(60 flights)
  • Tue76%(59 flights)
  • Wed72%(61 flights)
  • Thu75%(63 flights)
  • Fri87%(61 flights)
  • Sat67%(30 flights)
  • Sun85%(53 flights)
On-time by departure window
  • 3–6 AM(3 flights)
  • 6–9 AM100%(48 flights)
  • 9 AM–12 PM84%(116 flights)
  • 12–3 PM79%(90 flights)
  • 3–6 PM75%(48 flights)
  • 6–9 PM66%(61 flights)
  • 9 PM–12 AM43%(21 flights)
On-time trend by month
77%
May

Jun 68% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%25
July 202567%27
August 202575%40
September 202583%42
October 202590%31
November 202583%30
December 202583%29
January 202686%44
February 202677%35
March 202665%31
April 202682%27
May 202677%26
Departures on time
71%
Diverted
0.3%
Flights flown
387
Months covered
12

Based on 394 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.