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Flight Reliability

WN 1547 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1547 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

80%
Arrive within 15 minutes
2 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 396 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(66 flights)
  • Tue83%(53 flights)
  • Wed83%(52 flights)
  • Thu65%(66 flights)
  • Fri75%(65 flights)
  • Sat97%(30 flights)
  • Sun85%(58 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM94%(116 flights)
  • 9 AM–12 PM81%(127 flights)
  • 12–3 PM42%(26 flights)
  • 3–6 PM69%(49 flights)
  • 6–9 PM71%(63 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
38%
May

Jun 69% → May 38% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%26
July 202567%27
August 202581%37
September 2025100%39
October 202594%31
November 2025100%27
December 202593%30
January 202693%27
February 202689%27
March 202690%31
April 202665%40
May 202638%48
Departures on time
78%
Diverted
0.3%
Flights flown
390
Months covered
12

Keep nerding

Based on 396 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.