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Flight Reliability

WN 3185 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 3185 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
0.3%
Cancelled
3 min early
Median arrival delay

Based on 298 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(41 flights)
  • Tue78%(41 flights)
  • Wed83%(46 flights)
  • Thu79%(47 flights)
  • Fri78%(40 flights)
  • Sat85%(33 flights)
  • Sun53%(47 flights)
On-time by departure window
  • 6–9 AM93%(95 flights)
  • 9 AM–12 PM84%(104 flights)
  • 12–3 PM70%(23 flights)
  • 3–6 PM50%(10 flights)
  • 6–9 PM44%(59 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
92%
May

Jun 90% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202574%31
August 202571%38
September 202566%38
October 202561%23
November 202594%18
December 202589%28
February 202690%10
March 202635%26
April 202685%26
May 202692%26
Departures on time
69%
Diverted
0.7%
Flights flown
295
Months covered
12

Keep nerding

Based on 298 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.