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Flight Reliability

WN 1147 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1147 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
13 min
Average arrival delay
0.7%
Cancelled
2 min
Median arrival delay

Based on 411 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(63 flights)
  • Tue79%(57 flights)
  • Wed83%(59 flights)
  • Thu77%(65 flights)
  • Fri64%(64 flights)
  • Sat74%(49 flights)
  • Sun67%(48 flights)
On-time by departure window
  • 6–9 AM88%(48 flights)
  • 9 AM–12 PM95%(19 flights)
  • 12–3 PM74%(149 flights)
  • 3–6 PM68%(118 flights)
  • 6–9 PM70%(40 flights)
  • 9 PM–12 AM45%(31 flights)
On-time trend by month
50%
May

Jun 81% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202572%32
August 202581%37
September 202597%39
October 202565%31
November 202566%32
December 202561%33
January 202684%49
February 202675%44
March 202663%32
April 202650%26
May 202650%24
Departures on time
65%
Diverted
0.7%
Flights flown
405
Months covered
12

Keep nerding

Based on 411 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.