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Flight Reliability

WN 1374 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1374 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

82%
Arrive within 15 minutes
9 min
Average arrival delay
0.8%
Cancelled
4 min early
Median arrival delay

Based on 373 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(52 flights)
  • Tue89%(45 flights)
  • Wed86%(44 flights)
  • Thu77%(52 flights)
  • Fri86%(55 flights)
  • Sat71%(42 flights)
  • Sun79%(80 flights)
On-time by departure window
  • 3–6 AM97%(35 flights)
  • 6–9 AM90%(72 flights)
  • 9 AM–12 PM84%(136 flights)
  • 12–3 PM75%(55 flights)
  • 3–6 PM81%(41 flights)
  • 6–9 PM61%(23 flights)
  • 9 PM–12 AM—(8 flights)
On-time trend by month
68%
May

Jun 84% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%44
July 202584%43
August 202594%34
September 202590%30
October 202585%47
November 202585%20
December 202573%15
January 202696%24
February 202665%26
March 202674%27
April 202683%29
May 202668%31
Departures on time
78%
Diverted
0%
Flights flown
370
Months covered
12

Keep nerding

Based on 373 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.