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Flight Reliability

WN 2511 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2511 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
13 min
Average arrival delay
1.3%
Cancelled
2 min
Median arrival delay

Based on 396 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(56 flights)
  • Tue72%(61 flights)
  • Wed75%(65 flights)
  • Thu76%(55 flights)
  • Fri75%(51 flights)
  • Sat69%(62 flights)
  • Sun63%(40 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM76%(67 flights)
  • 12–3 PM71%(160 flights)
  • 3–6 PM65%(113 flights)
  • 6–9 PM86%(49 flights)
On-time trend by month
80%
May

Jun 67% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%58
July 202558%60
August 202571%34
September 202547%30
October 202567%18
November 202588%16
December 202574%27
January 202686%50
February 202683%42
March 202686%14
April 202676%21
May 202680%20
Departures on time
70%
Diverted
0.3%
Flights flown
390
Months covered
12

Keep nerding

Based on 396 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.