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WanderNerd

Flight Reliability

WN 1206 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1206 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
0.8%
Cancelled
4 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(53 flights)
  • Tue92%(52 flights)
  • Wed85%(52 flights)
  • Thu80%(51 flights)
  • Fri73%(52 flights)
  • Sat66%(44 flights)
  • Sun68%(53 flights)
On-time by departure window
  • 6–9 AM94%(125 flights)
  • 9 AM–12 PM90%(29 flights)
  • 12–3 PM50%(12 flights)
  • 3–6 PM90%(58 flights)
  • 6–9 PM56%(112 flights)
  • 9 PM–12 AM62%(21 flights)
On-time trend by month
97%
May

Jun 81% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%32
July 202553%30
August 202589%27
September 202592%26
October 202590%31
November 202571%31
December 202561%31
January 202684%31
February 2026100%28
March 202635%29
April 202680%30
May 202697%31
Departures on time
77%
Diverted
0%
Flights flown
357
Months covered
12

Based on 360 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.