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Flight Reliability

WN 1371 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1371 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

85%
Arrive within 15 minutes
1 min early
Average arrival delay
0.7%
Cancelled
8 min early
Median arrival delay

Based on 406 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(56 flights)
  • Tue89%(62 flights)
  • Wed87%(67 flights)
  • Thu88%(58 flights)
  • Fri83%(58 flights)
  • Sat86%(43 flights)
  • Sun79%(58 flights)
On-time by departure window
  • 3–6 AM96%(54 flights)
  • 6–9 AM88%(128 flights)
  • 9 AM–12 PM85%(104 flights)
  • 12–3 PM87%(68 flights)
  • 3–6 PM44%(18 flights)
  • 6–9 PM73%(30 flights)
On-time trend by month
91%
May

Jun 74% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%27
July 202578%27
August 202579%28
September 202597%30
October 202568%19
November 202577%30
December 202585%33
January 202694%64
February 202679%47
March 202687%30
April 202694%32
May 202691%35
Departures on time
85%
Diverted
0.2%
Flights flown
402
Months covered
12

Keep nerding

Based on 406 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.