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Flight Reliability

WN 3707 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3707 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

71%
Arrive within 15 minutes
11 min
Average arrival delay
0.9%
Cancelled
1 min
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue68%(44 flights)
  • Wed69%(45 flights)
  • Thu58%(52 flights)
  • Fri80%(50 flights)
  • Sat76%(33 flights)
  • Sun71%(51 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM100%(16 flights)
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM75%(71 flights)
  • 3–6 PM66%(85 flights)
  • 6–9 PM64%(72 flights)
  • 9 PM–12 AM67%(67 flights)
On-time trend by month
59%
May

Jun 68% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%19
July 202577%17
August 202568%22
September 202560%20
October 202587%30
November 202589%37
December 202564%45
January 202682%11
February 202690%19
March 202663%30
April 202658%38
May 202659%39
Departures on time
69%
Diverted
0.3%
Flights flown
327
Months covered
12

Keep nerding

Based on 331 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.