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WanderNerd

Flight Reliability

WN 611 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 611 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

73%
Arrive within 15 minutes
8 min
Average arrival delay
0.5%
Cancelled
3 min early
Median arrival delay

Based on 391 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(57 flights)
  • Tue78%(51 flights)
  • Wed83%(52 flights)
  • Thu66%(55 flights)
  • Fri66%(56 flights)
  • Sat87%(46 flights)
  • Sun69%(70 flights)
On-time by departure window
  • 6–9 AM95%(40 flights)
  • 9 AM–12 PM95%(43 flights)
  • 12–3 PM80%(98 flights)
  • 3–6 PM61%(76 flights)
  • 6–9 PM64%(123 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
58%
May

Jun 64% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%50
July 202570%50
August 202581%36
September 202573%30
October 2025100%18
November 202564%28
December 202580%30
January 202692%26
February 202682%27
March 202690%20
April 202659%34
May 202658%38
Departures on time
69%
Diverted
0.5%
Flights flown
387
Months covered
12

Based on 391 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.