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Flight Reliability

WN 606 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 606 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

68%
Arrive within 15 minutes
12 min
Average arrival delay
0.5%
Cancelled
1 min early
Median arrival delay

Based on 398 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon51%(63 flights)
  • Tue86%(43 flights)
  • Wed70%(43 flights)
  • Thu72%(67 flights)
  • Fri66%(68 flights)
  • Sat75%(52 flights)
  • Sun67%(57 flights)
On-time by departure window
  • 6–9 AM91%(65 flights)
  • 9 AM–12 PM84%(114 flights)
  • 12–3 PM66%(83 flights)
  • 3–6 PM47%(43 flights)
  • 6–9 PM41%(54 flights)
  • 9 PM–12 AM50%(34 flights)
On-time trend by month
23%
May

Jun 56% → May 23% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%45
July 202568%44
August 202587%45
September 202591%43
October 202548%52
November 202560%15
January 202693%27
February 202693%28
March 202687%30
April 202650%30
May 202623%31
Departures on time
65%
Diverted
0.8%
Flights flown
393
Months covered
12

Keep nerding

Based on 398 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.