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Flight Reliability

WN 1183 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1183 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
8 min
Average arrival delay
2.0%
Cancelled
5 min early
Median arrival delay

Based on 407 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue71%(58 flights)
  • Wed70%(60 flights)
  • Thu73%(56 flights)
  • Fri72%(60 flights)
  • Sat91%(46 flights)
  • Sun79%(66 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM96%(27 flights)
  • 9 AM–12 PM88%(17 flights)
  • 12–3 PM76%(186 flights)
  • 3–6 PM70%(99 flights)
  • 6–9 PM53%(47 flights)
  • 9 PM–12 AM—(9 flights)
On-time trend by month
58%
May

Jun 58% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%19
July 202559%22
August 202585%26
September 202592%26
October 202571%21
November 202583%54
December 202582%39
January 202683%46
February 202689%36
March 202661%46
April 202667%33
May 202658%31
Departures on time
73%
Diverted
0%
Flights flown
399
Months covered
12

Keep nerding

Based on 407 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.