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Flight Reliability

WN 3310 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3310 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
12 min
Average arrival delay
0.5%
Cancelled
2 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon57%(56 flights)
  • Tue79%(48 flights)
  • Wed73%(48 flights)
  • Thu67%(54 flights)
  • Fri66%(56 flights)
  • Sat67%(48 flights)
  • Sun72%(57 flights)
On-time by departure window
  • 3–6 AM100%(35 flights)
  • 6–9 AM96%(27 flights)
  • 9 AM–12 PM96%(27 flights)
  • 12–3 PM85%(13 flights)
  • 3–6 PM59%(91 flights)
  • 6–9 PM57%(174 flights)
On-time trend by month
67%
May

Jun 68% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%40
July 202567%43
August 202542%33
September 202560%30
October 202594%18
November 202572%32
December 202554%35
January 202677%26
February 202685%27
March 202696%24
April 202662%29
May 202667%30
Departures on time
64%
Diverted
0.3%
Flights flown
367
Months covered
12

Keep nerding

Based on 370 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.