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Flight Reliability

WN 183 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 183 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

84%
Arrive within 15 minutes
1 min
Average arrival delay
0.7%
Cancelled
7 min early
Median arrival delay

Based on 422 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(59 flights)
  • Tue78%(64 flights)
  • Wed94%(62 flights)
  • Thu90%(60 flights)
  • Fri84%(61 flights)
  • Sat91%(55 flights)
  • Sun78%(58 flights)
On-time by departure window
  • 3–6 AM96%(52 flights)
  • 6–9 AM97%(59 flights)
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM82%(68 flights)
  • 3–6 PM76%(103 flights)
  • 6–9 PM81%(129 flights)
On-time trend by month
90%
May

Jun 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202597%31
August 202592%39
September 202577%39
October 202568%41
November 202579%43
December 202569%35
January 202690%31
February 202689%28
March 202692%39
April 202684%32
May 202690%31
Departures on time
80%
Diverted
0%
Flights flown
419
Months covered
12

Keep nerding

Based on 422 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.