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WanderNerd

Flight Reliability

WN 3768 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3768 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
15 min
Average arrival delay
0.7%
Cancelled
3 min
Median arrival delay

Based on 278 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(33 flights)
  • Tue67%(30 flights)
  • Wed79%(33 flights)
  • Thu50%(38 flights)
  • Fri71%(34 flights)
  • Sat75%(44 flights)
  • Sun68%(62 flights)
On-time by departure window
  • 6–9 AM90%(52 flights)
  • 9 AM–12 PM78%(64 flights)
  • 12–3 PM64%(94 flights)
  • 3–6 PM45%(47 flights)
  • 6–9 PM62%(13 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
56%
May

Jun 62% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%39
July 202564%42
October 202580%50
November 202596%24
December 202571%21
March 202655%11
April 202661%36
May 202656%43
Departures on time
65%
Diverted
0.7%
Flights flown
274
Months covered
10

Based on 278 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.