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Flight Reliability

WN 2397 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2397 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

74%
Arrive within 15 minutes
11 min
Average arrival delay
0.3%
Cancelled
1 min
Median arrival delay

Based on 316 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon55%(38 flights)
  • Tue82%(56 flights)
  • Wed91%(56 flights)
  • Thu57%(37 flights)
  • Fri53%(38 flights)
  • Sat87%(38 flights)
  • Sun78%(51 flights)
On-time by departure window
  • 6–9 AM76%(80 flights)
  • 9 AM–12 PM82%(61 flights)
  • 12–3 PM65%(95 flights)
  • 3–6 PM88%(40 flights)
  • 6–9 PM73%(11 flights)
  • 9 PM–12 AM59%(27 flights)
On-time trend by month
54%
May

Jun 87% → May 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%23
July 202564%28
August 202562%29
September 202570%30
October 202585%27
November 202568%28
December 202587%31
January 202687%31
February 202689%27
March 202673%11
April 202657%23
May 202654%26
Departures on time
68%
Diverted
0.3%
Flights flown
314
Months covered
12

Keep nerding

Based on 316 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.