Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 786 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 786 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
0.7%
Cancelled
2 min early
Median arrival delay

Based on 600 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(106 flights)
  • Tue82%(83 flights)
  • Wed74%(85 flights)
  • Thu69%(105 flights)
  • Fri65%(95 flights)
  • Sat89%(52 flights)
  • Sun65%(68 flights)
On-time by departure window
  • 6–9 AM96%(72 flights)
  • 9 AM–12 PM78%(113 flights)
  • 12–3 PM73%(110 flights)
  • 3–6 PM66%(183 flights)
  • 6–9 PM64%(100 flights)
  • 9 PM–12 AM56%(16 flights)
On-time trend by month
78%
May

Jun 57% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%82
July 202570%82
August 202575%40
September 202577%30
October 202583%40
November 202583%36
December 202579%43
January 202679%52
February 202686%44
March 202665%79
April 202667%39
May 202678%27
Departures on time
69%
Diverted
0.3%
Flights flown
594
Months covered
12

Keep nerding

Based on 600 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.