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WanderNerd

Flight Reliability

WN 2373 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2373 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

79%
Arrive within 15 minutes
9 min
Average arrival delay
0.2%
Cancelled
2 min early
Median arrival delay

Based on 515 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(81 flights)
  • Tue85%(87 flights)
  • Wed86%(88 flights)
  • Thu77%(74 flights)
  • Fri79%(77 flights)
  • Sat64%(45 flights)
  • Sun70%(59 flights)
On-time by departure window
  • 6–9 AM87%(52 flights)
  • 9 AM–12 PM92%(101 flights)
  • 12–3 PM84%(188 flights)
  • 3–6 PM72%(85 flights)
  • 6–9 PM54%(70 flights)
  • 9 PM–12 AM47%(15 flights)
On-time trend by month
67%
May

Jun 89% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%62
July 202580%64
August 202577%35
September 202590%30
October 202573%15
November 202571%42
December 202575%63
January 202689%66
February 202698%48
March 202639%33
April 202662%26
May 202667%27
Departures on time
75%
Diverted
0.6%
Flights flown
511
Months covered
12

Based on 515 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.