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Flight Reliability

WN 1288 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1288 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 379 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(61 flights)
  • Tue87%(52 flights)
  • Wed82%(51 flights)
  • Thu68%(63 flights)
  • Fri67%(63 flights)
  • Sat86%(42 flights)
  • Sun82%(45 flights)
On-time by departure window
  • 6–9 AM83%(12 flights)
  • 9 AM–12 PM85%(52 flights)
  • 12–3 PM68%(129 flights)
  • 3–6 PM84%(80 flights)
  • 6–9 PM63%(72 flights)
  • 9 PM–12 AM94%(32 flights)
On-time trend by month
83%
May

Jun 53% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%34
July 202557%35
August 202570%30
September 202583%30
October 202594%31
November 202570%30
December 202581%31
January 202686%29
February 202677%35
March 202675%32
April 202680%30
May 202683%30
Departures on time
70%
Diverted
0%
Flights flown
377
Months covered
12

Keep nerding

Based on 379 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.