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Flight Reliability

WN 787 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 787 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

84%
Arrive within 15 minutes
0 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 380 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(61 flights)
  • Tue95%(61 flights)
  • Wed87%(60 flights)
  • Thu76%(62 flights)
  • Fri80%(61 flights)
  • Sat88%(41 flights)
  • Sun76%(29 flights)
On-time by departure window
  • 6–9 AM88%(16 flights)
  • 9 AM–12 PM95%(110 flights)
  • 12–3 PM78%(169 flights)
  • 3–6 PM79%(77 flights)
  • 6–9 PM—(3 flights)
On-time trend by month
59%
May

Jun 96% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%22
July 2025100%23
August 202582%45
September 202598%48
October 202582%28
November 202593%27
December 202590%29
January 202693%27
February 202678%37
March 202662%34
April 202675%28
May 202659%27
Departures on time
82%
Diverted
0%
Flights flown
375
Months covered
12

Keep nerding

Based on 380 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.