Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 2491 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2491 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

72%
Arrive within 15 minutes
11 min
Average arrival delay
0%
Cancelled
1 min early
Median arrival delay

Based on 299 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue90%(29 flights)
  • Wed83%(24 flights)
  • Thu57%(46 flights)
  • Fri67%(57 flights)
  • Sat78%(32 flights)
  • Sun68%(59 flights)
On-time by departure window
  • 3–6 AM92%(13 flights)
  • 6–9 AM83%(57 flights)
  • 9 AM–12 PM87%(23 flights)
  • 12–3 PM74%(53 flights)
  • 3–6 PM58%(86 flights)
  • 6–9 PM70%(60 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
28%
May

Jun 79% → May 28% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%24
July 202564%22
October 202550%30
November 202590%61
December 202578%59
January 202664%11
February 202686%14
March 202678%36
April 202645%20
May 202628%18
Departures on time
67%
Diverted
0%
Flights flown
299
Months covered
11

Keep nerding

Based on 299 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.