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WanderNerd

Flight Reliability

WN 3698 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3698 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

70%
Arrive within 15 minutes
10 min
Average arrival delay
0.5%
Cancelled
0 min
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon61%(77 flights)
  • Tue75%(44 flights)
  • Wed83%(48 flights)
  • Thu55%(75 flights)
  • Fri63%(71 flights)
  • Sat86%(36 flights)
  • Sun79%(77 flights)
On-time by departure window
  • 6–9 AM87%(38 flights)
  • 9 AM–12 PM79%(126 flights)
  • 12–3 PM70%(99 flights)
  • 3–6 PM54%(54 flights)
  • 6–9 PM66%(77 flights)
  • 9 PM–12 AM50%(34 flights)
On-time trend by month
85%
May

Jun 58% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%100
July 202561%102
August 202575%20
October 202560%35
January 202693%27
February 202691%33
March 202670%57
April 202688%24
May 202685%20
Departures on time
69%
Diverted
0.5%
Flights flown
428
Months covered
12

Based on 432 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.