Skip to content
WanderNerd

Flight Reliability

WN 1144 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1144 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
1.6%
Cancelled
3 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(53 flights)
  • Tue83%(48 flights)
  • Wed94%(52 flights)
  • Thu74%(57 flights)
  • Fri73%(52 flights)
  • Sat73%(40 flights)
  • Sun59%(56 flights)
On-time by departure window
  • 6–9 AM94%(86 flights)
  • 9 AM–12 PM92%(37 flights)
  • 12–3 PM71%(63 flights)
  • 3–6 PM64%(87 flights)
  • 6–9 PM63%(46 flights)
  • 9 PM–12 AM56%(39 flights)
On-time trend by month
80%
May

Jun 50% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%20
July 202560%15
August 202588%34
September 202580%35
October 202592%26
November 202541%27
December 202568%22
January 202674%27
February 202672%25
March 202675%47
April 202688%40
May 202680%40
Departures on time
70%
Diverted
0%
Flights flown
358
Months covered
12

Based on 364 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.