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WanderNerd

Flight Reliability

WN 2731 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2731 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

74%
Arrive within 15 minutes
7 min
Average arrival delay
0.2%
Cancelled
4 min early
Median arrival delay

Based on 402 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(60 flights)
  • Tue85%(60 flights)
  • Wed88%(57 flights)
  • Thu70%(56 flights)
  • Fri68%(56 flights)
  • Sat61%(46 flights)
  • Sun79%(66 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM90%(29 flights)
  • 9 AM–12 PM73%(92 flights)
  • 12–3 PM69%(149 flights)
  • 3–6 PM66%(85 flights)
  • 6–9 PM91%(32 flights)
On-time trend by month
70%
May

Jun 94% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%18
July 202589%18
October 202564%58
November 202580%20
December 202565%34
January 202676%58
February 202687%53
March 202670%27
April 202659%49
May 202670%56
Departures on time
73%
Diverted
0%
Flights flown
401
Months covered
12

Based on 402 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.