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WanderNerd

Flight Reliability

WN 3792 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3792 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

77%
Arrive within 15 minutes
8 min
Average arrival delay
0.3%
Cancelled
2 min early
Median arrival delay

Based on 290 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(39 flights)
  • Tue87%(54 flights)
  • Wed80%(54 flights)
  • Thu69%(39 flights)
  • Fri69%(39 flights)
  • Sat100%(28 flights)
  • Sun69%(36 flights)
On-time by departure window
  • 3–6 AM88%(34 flights)
  • 6–9 AM94%(32 flights)
  • 9 AM–12 PM88%(34 flights)
  • 12–3 PM88%(50 flights)
  • 3–6 PM75%(55 flights)
  • 6–9 PM60%(50 flights)
  • 9 PM–12 AM47%(34 flights)
On-time trend by month
60%
May

Jun 62% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%39
July 202569%42
August 202564%14
October 202590%10
November 202593%28
December 202587%31
March 202689%55
April 202665%31
May 202660%25
Departures on time
68%
Diverted
0%
Flights flown
289
Months covered
11

Based on 290 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.