Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 2488 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2488 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

67%
Arrive within 15 minutes
18 min
Average arrival delay
1.2%
Cancelled
2 min
Median arrival delay

Based on 328 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(46 flights)
  • Tue69%(51 flights)
  • Wed73%(51 flights)
  • Thu68%(47 flights)
  • Fri67%(45 flights)
  • Sat56%(39 flights)
  • Sun64%(45 flights)
On-time by departure window
  • 3–6 AM92%(61 flights)
  • 6–9 AM74%(50 flights)
  • 9 AM–12 PM93%(30 flights)
  • 12–3 PM88%(32 flights)
  • 3–6 PM44%(84 flights)
  • 6–9 PM49%(66 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
93%
May

Jun 38% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202538%29
July 202521%29
August 202570%27
September 202577%26
October 202567%30
November 202578%27
December 202569%29
January 202691%22
February 202691%11
March 202649%33
April 202687%31
May 202693%30
Departures on time
64%
Diverted
0%
Flights flown
324
Months covered
12

Keep nerding

Based on 328 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.