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Flight Reliability

WN 2866 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2866 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

83%
Arrive within 15 minutes
1 min early
Average arrival delay
0.3%
Cancelled
7 min early
Median arrival delay

Based on 326 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(54 flights)
  • Tue90%(39 flights)
  • Wed85%(39 flights)
  • Thu84%(49 flights)
  • Fri81%(48 flights)
  • Sat85%(40 flights)
  • Sun87%(54 flights)
On-time by departure window
  • 3–6 AM97%(68 flights)
  • 6–9 AM86%(90 flights)
  • 12–3 PM81%(120 flights)
  • 3–6 PM—(6 flights)
  • 6–9 PM52%(27 flights)
  • 9 PM–12 AM83%(12 flights)
On-time trend by month
80%
Apr

Jun 88% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%41
July 202578%32
August 202594%36
September 202594%33
October 202561%31
November 202576%29
December 202563%30
January 202682%27
February 2026100%17
March 202694%36
April 202680%10
Departures on time
88%
Diverted
0.6%
Flights flown
323
Months covered
12

Keep nerding

Based on 326 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.