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Flight Reliability

WN 1287 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1287 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

73%
Arrive within 15 minutes
12 min
Average arrival delay
0.9%
Cancelled
1 min
Median arrival delay

Based on 533 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(81 flights)
  • Tue85%(73 flights)
  • Wed87%(75 flights)
  • Thu63%(82 flights)
  • Fri71%(77 flights)
  • Sat82%(54 flights)
  • Sun62%(81 flights)
On-time by departure window
  • 6–9 AM85%(53 flights)
  • 9 AM–12 PM92%(135 flights)
  • 12–3 PM83%(80 flights)
  • 3–6 PM61%(190 flights)
  • 6–9 PM46%(63 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
87%
May

Jun 41% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%64
July 202551%61
August 202579%48
September 202586%43
October 202587%54
November 202597%30
December 202570%30
January 202667%46
February 202676%37
March 202678%45
April 202691%34
May 202687%31
Departures on time
68%
Diverted
0.9%
Flights flown
523
Months covered
12

Keep nerding

Based on 533 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.