Skip to content
WanderNerd

Flight Reliability

WN 1274 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1274 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

72%
Arrive within 15 minutes
10 min
Average arrival delay
0.6%
Cancelled
2 min early
Median arrival delay

Based on 487 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon55%(85 flights)
  • Tue81%(53 flights)
  • Wed91%(54 flights)
  • Thu63%(89 flights)
  • Fri69%(86 flights)
  • Sat71%(51 flights)
  • Sun86%(64 flights)
On-time by departure window
  • 3–6 AM100%(16 flights)
  • 6–9 AM92%(97 flights)
  • 9 AM–12 PM84%(38 flights)
  • 12–3 PM75%(159 flights)
  • 3–6 PM57%(124 flights)
  • 6–9 PM40%(35 flights)
  • 9 PM–12 AM39%(13 flights)
On-time trend by month
93%
May

Jun 52% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%42
July 202538%42
August 202557%28
September 202515%26
October 202563%43
November 202583%29
December 202583%29
January 202692%26
February 202670%20
March 202680%73
April 202694%63
May 202693%61
Departures on time
66%
Diverted
0.4%
Flights flown
482
Months covered
12

Based on 487 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.