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Flight Reliability

WN 3108 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3108 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

87%
Arrive within 15 minutes
0 min
Average arrival delay
0.8%
Cancelled
7 min early
Median arrival delay

Based on 356 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(58 flights)
  • Tue89%(47 flights)
  • Wed92%(48 flights)
  • Thu92%(59 flights)
  • Fri88%(59 flights)
  • Sat80%(40 flights)
  • Sun83%(40 flights)
On-time by departure window
  • 3–6 AM100%(26 flights)
  • 6–9 AM93%(95 flights)
  • 9 AM–12 PM89%(117 flights)
  • 12–3 PM83%(29 flights)
  • 3–6 PM63%(24 flights)
  • 6–9 PM77%(35 flights)
  • 9 PM–12 AM88%(25 flights)
On-time trend by month
100%
May

Jun 87% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%23
July 2025100%22
August 202593%28
September 202593%30
October 202587%31
November 202579%28
December 202565%31
January 202686%29
February 202679%24
March 202674%23
April 202695%39
May 2026100%43
Departures on time
82%
Diverted
0.6%
Flights flown
351
Months covered
12

Keep nerding

Based on 356 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.