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Flight Reliability

WN 1852 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1852 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

85%
Arrive within 15 minutes
1 min
Average arrival delay
1.0%
Cancelled
5 min early
Median arrival delay

Based on 417 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(67 flights)
  • Tue95%(56 flights)
  • Wed86%(56 flights)
  • Thu80%(69 flights)
  • Fri92%(71 flights)
  • Sat78%(51 flights)
  • Sun91%(43 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM93%(120 flights)
  • 9 AM–12 PM88%(166 flights)
  • 12–3 PM71%(97 flights)
  • 3–6 PM70%(20 flights)
  • 6–9 PM—(2 flights)
On-time trend by month
84%
May

Jun 74% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%27
July 202559%27
August 202577%48
September 202598%52
October 202587%39
November 202587%30
December 202574%31
January 202690%30
February 202694%31
March 202686%36
April 202697%31
May 202684%31
Departures on time
81%
Diverted
0%
Flights flown
413
Months covered
12

Keep nerding

Based on 417 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.