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Flight Reliability

WN 887 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 887 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
4 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 400 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(57 flights)
  • Tue81%(57 flights)
  • Wed83%(52 flights)
  • Thu88%(51 flights)
  • Fri81%(59 flights)
  • Sat78%(55 flights)
  • Sun72%(64 flights)
On-time by departure window
  • 6–9 AM93%(136 flights)
  • 9 AM–12 PM74%(27 flights)
  • 12–3 PM69%(42 flights)
  • 3–6 PM74%(140 flights)
  • 6–9 PM56%(50 flights)
On-time trend by month
69%
May

Jun 81% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202589%26
August 202568%19
September 202571%17
October 202587%31
November 202560%48
December 202576%54
January 202691%35
February 202696%27
March 202674%42
April 202683%35
May 202669%35
Departures on time
74%
Diverted
0%
Flights flown
395
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.