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Flight Reliability

WN 3402 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3402 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

72%
Arrive within 15 minutes
12 min
Average arrival delay
0.8%
Cancelled
1 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(52 flights)
  • Tue86%(56 flights)
  • Wed66%(55 flights)
  • Thu57%(49 flights)
  • Fri89%(52 flights)
  • Sat75%(36 flights)
  • Sun69%(58 flights)
On-time by departure window
  • 6–9 AM87%(52 flights)
  • 9 AM–12 PM69%(36 flights)
  • 12–3 PM75%(77 flights)
  • 3–6 PM61%(36 flights)
  • 6–9 PM68%(69 flights)
  • 9 PM–12 AM69%(88 flights)
On-time trend by month
74%
May

Jun 67% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%55
July 202573%62
August 202581%21
September 202571%17
October 202560%10
November 202568%50
December 202567%36
February 202694%17
March 202692%25
April 202664%28
May 202674%31
Departures on time
68%
Diverted
0.3%
Flights flown
358
Months covered
12

Keep nerding

Based on 362 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.