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WanderNerd

Flight Reliability

WN 2253 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2253 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

78%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
2 min early
Median arrival delay

Based on 458 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(61 flights)
  • Tue82%(72 flights)
  • Wed88%(73 flights)
  • Thu70%(63 flights)
  • Fri75%(64 flights)
  • Sat76%(58 flights)
  • Sun73%(59 flights)
On-time by departure window
  • 3–6 AM96%(22 flights)
  • 6–9 AM87%(117 flights)
  • 9 AM–12 PM80%(65 flights)
  • 12–3 PM75%(104 flights)
  • 3–6 PM70%(95 flights)
  • 6–9 PM76%(42 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
67%
May

Jun 78% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%36
July 202589%37
August 202590%30
September 202590%30
October 202590%31
November 202570%43
December 202570%46
January 202677%44
February 202691%43
March 202657%47
April 202685%33
May 202667%30
Departures on time
75%
Diverted
0.2%
Flights flown
450
Months covered
12

Based on 458 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.