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Flight Reliability

WN 1572 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1572 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.0%
Cancelled
4 min early
Median arrival delay

Based on 492 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(82 flights)
  • Tue93%(67 flights)
  • Wed91%(67 flights)
  • Thu85%(85 flights)
  • Fri78%(83 flights)
  • Sat74%(50 flights)
  • Sun70%(53 flights)
On-time by departure window
  • 3–6 AM96%(27 flights)
  • 6–9 AM92%(148 flights)
  • 9 AM–12 PM83%(78 flights)
  • 12–3 PM74%(62 flights)
  • 3–6 PM75%(63 flights)
  • 6–9 PM75%(107 flights)
  • 9 PM–12 AM—(2 flights)
On-time trend by month
91%
May

Jun 81% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%47
July 202593%53
August 202581%53
September 202582%56
October 202571%31
November 202580%30
December 202569%29
January 202676%29
February 202664%28
March 202687%30
April 202696%48
May 202691%53
Departures on time
78%
Diverted
0%
Flights flown
487
Months covered
12

Keep nerding

Based on 492 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.