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WanderNerd

Flight Reliability

WN 2646 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2646 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

82%
Arrive within 15 minutes
5 min
Average arrival delay
0.7%
Cancelled
5 min early
Median arrival delay

Based on 281 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(46 flights)
  • Tue83%(35 flights)
  • Wed79%(33 flights)
  • Thu76%(46 flights)
  • Fri85%(46 flights)
  • Sat94%(34 flights)
  • Sun74%(39 flights)
On-time by departure window
  • 6–9 AM98%(84 flights)
  • 9 AM–12 PM93%(41 flights)
  • 12–3 PM70%(69 flights)
  • 3–6 PM(6 flights)
  • 6–9 PM78%(46 flights)
  • 9 PM–12 AM61%(33 flights)
On-time trend by month
97%
May

Jun 84% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%25
July 202581%32
August 202583%30
September 202573%30
October 202570%10
November 202582%17
December 202592%25
January 202672%25
February 202674%27
April 202691%23
May 202697%31
Departures on time
76%
Diverted
0%
Flights flown
279
Months covered
12

Based on 281 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.