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Flight Reliability

WN 2837 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2837 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
0.7%
Cancelled
2 min early
Median arrival delay

Based on 460 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(81 flights)
  • Tue86%(49 flights)
  • Wed86%(49 flights)
  • Thu65%(78 flights)
  • Fri68%(77 flights)
  • Sat75%(59 flights)
  • Sun77%(64 flights)
On-time by departure window
  • 3–6 AM88%(16 flights)
  • 6–9 AM—(4 flights)
  • 9 AM–12 PM—(9 flights)
  • 12–3 PM81%(47 flights)
  • 3–6 PM75%(103 flights)
  • 6–9 PM71%(221 flights)
  • 9 PM–12 AM70%(57 flights)
On-time trend by month
65%
May

Jun 58% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%36
July 202543%30
August 202587%31
September 202597%30
October 202578%74
November 202584%31
December 202584%31
January 202683%29
February 202694%18
March 202655%74
April 202686%42
May 202665%31
Departures on time
69%
Diverted
0%
Flights flown
457
Months covered
12

Keep nerding

Based on 460 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.