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Flight Reliability

WN 549 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 549 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

72%
Arrive within 15 minutes
11 min
Average arrival delay
0.8%
Cancelled
2 min early
Median arrival delay

Based on 359 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue76%(50 flights)
  • Wed82%(51 flights)
  • Thu62%(55 flights)
  • Fri67%(51 flights)
  • Sat72%(43 flights)
  • Sun70%(50 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM85%(20 flights)
  • 12–3 PM77%(47 flights)
  • 3–6 PM69%(139 flights)
  • 6–9 PM70%(135 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
62%
May

Jun 39% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202539%23
July 202553%19
August 202583%23
September 202585%20
October 202581%43
November 202571%28
December 202561%31
January 202681%31
February 202686%21
March 202669%29
April 202681%43
May 202662%42
Departures on time
67%
Diverted
0.8%
Flights flown
353
Months covered
12

Keep nerding

Based on 359 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.