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Flight Reliability

WN 1037 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1037 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
6 min early
Median arrival delay

Based on 464 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(73 flights)
  • Tue91%(63 flights)
  • Wed86%(58 flights)
  • Thu76%(72 flights)
  • Fri84%(77 flights)
  • Sat78%(41 flights)
  • Sun70%(80 flights)
On-time by departure window
  • 3–6 AM100%(13 flights)
  • 6–9 AM92%(142 flights)
  • 9 AM–12 PM82%(89 flights)
  • 12–3 PM89%(45 flights)
  • 3–6 PM78%(49 flights)
  • 6–9 PM80%(66 flights)
  • 9 PM–12 AM48%(60 flights)
On-time trend by month
94%
May

Jun 64% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%36
July 202551%41
August 202583%29
September 202590%30
October 202595%42
November 202587%63
December 202568%31
January 202687%45
February 202685%59
March 202683%47
April 202691%23
May 202694%18
Departures on time
76%
Diverted
0%
Flights flown
464
Months covered
12

Keep nerding

Based on 464 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.