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Flight Reliability

WN 1806 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1806 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

82%
Arrive within 15 minutes
4 min
Average arrival delay
0.5%
Cancelled
5 min early
Median arrival delay

Based on 400 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(58 flights)
  • Tue87%(55 flights)
  • Wed83%(53 flights)
  • Thu83%(57 flights)
  • Fri68%(57 flights)
  • Sat88%(59 flights)
  • Sun88%(59 flights)
On-time by departure window
  • 6–9 AM93%(61 flights)
  • 9 AM–12 PM96%(23 flights)
  • 12–3 PM75%(106 flights)
  • 3–6 PM89%(124 flights)
  • 6–9 PM79%(43 flights)
  • 9 PM–12 AM63%(41 flights)
On-time trend by month
77%
May

Jun 83% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202570%30
August 202580%30
September 202577%30
October 202598%47
November 202591%32
December 202574%42
January 202688%32
February 202696%28
March 202677%35
April 202674%31
May 202677%31
Departures on time
80%
Diverted
0%
Flights flown
398
Months covered
12

Keep nerding

Based on 400 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.