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Flight Reliability

WN 2137 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2137 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

87%
Arrive within 15 minutes
0 min
Average arrival delay
1.5%
Cancelled
9 min early
Median arrival delay

Based on 475 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(76 flights)
  • Tue95%(43 flights)
  • Wed90%(41 flights)
  • Thu81%(80 flights)
  • Fri84%(82 flights)
  • Sat90%(72 flights)
  • Sun80%(74 flights)
On-time by departure window
  • 3–6 AM100%(26 flights)
  • 6–9 AM93%(97 flights)
  • 9 AM–12 PM94%(62 flights)
  • 12–3 PM86%(106 flights)
  • 3–6 PM81%(110 flights)
  • 6–9 PM79%(63 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
88%
May

Jun 91% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%34
July 2025100%38
August 202593%30
September 2025100%30
November 202586%22
December 202575%20
January 202683%41
February 202680%46
March 202682%33
April 202682%76
May 202688%93
Departures on time
83%
Diverted
0%
Flights flown
468
Months covered
12

Keep nerding

Based on 475 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.