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Flight Reliability

WN 3118 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3118 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

86%
Arrive within 15 minutes
0 min
Average arrival delay
0.8%
Cancelled
7 min early
Median arrival delay

Based on 376 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(57 flights)
  • Tue89%(45 flights)
  • Wed90%(39 flights)
  • Thu88%(48 flights)
  • Fri83%(52 flights)
  • Sat98%(42 flights)
  • Sun80%(88 flights)
On-time by departure window
  • 6–9 AM98%(115 flights)
  • 9 AM–12 PM86%(63 flights)
  • 12–3 PM76%(78 flights)
  • 3–6 PM74%(43 flights)
  • 6–9 PM43%(14 flights)
  • 9 PM–12 AM95%(58 flights)
On-time trend by month
91%
May

Jun 85% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%27
July 202577%31
August 202594%31
September 202593%30
November 202579%19
December 202554%24
January 202674%46
February 202688%42
March 202697%32
April 2026100%42
May 202691%46
Departures on time
82%
Diverted
0.5%
Flights flown
371
Months covered
12

Keep nerding

Based on 376 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.