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Flight Reliability

WN 1087 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1087 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
0.6%
Cancelled
4 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(46 flights)
  • Tue78%(58 flights)
  • Wed89%(56 flights)
  • Thu85%(48 flights)
  • Fri71%(49 flights)
  • Sat89%(52 flights)
  • Sun76%(50 flights)
On-time by departure window
  • 3–6 AM95%(39 flights)
  • 6–9 AM93%(44 flights)
  • 9 AM–12 PM82%(65 flights)
  • 12–3 PM86%(55 flights)
  • 3–6 PM79%(85 flights)
  • 6–9 PM64%(64 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
75%
May

Jun 69% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%16
July 202578%18
August 202581%31
September 202588%34
October 202596%23
November 2025100%30
December 202577%31
January 202682%27
February 202685%20
March 202680%30
April 202671%48
May 202675%51
Departures on time
77%
Diverted
0.3%
Flights flown
359
Months covered
12

Keep nerding

Based on 362 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.