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WanderNerd

Flight Reliability

WN 1810 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1810 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
0.8%
Cancelled
5 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(53 flights)
  • Tue79%(53 flights)
  • Wed84%(57 flights)
  • Thu73%(59 flights)
  • Fri78%(55 flights)
  • Sat78%(45 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 6–9 AM95%(84 flights)
  • 9 AM–12 PM100%(30 flights)
  • 12–3 PM95%(58 flights)
  • 3–6 PM63%(54 flights)
  • 6–9 PM53%(87 flights)
  • 9 PM–12 AM62%(61 flights)
On-time trend by month
36%
May

Jun 73% → May 36% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202558%31
August 202590%30
September 2025100%30
October 202567%18
November 202592%38
December 202591%44
January 202696%23
February 202691%21
March 202664%44
April 202656%34
May 202636%31
Departures on time
70%
Diverted
0%
Flights flown
374
Months covered
12

Based on 377 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.