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Flight Reliability

WN 1875 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1875 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

82%
Arrive within 15 minutes
2 min
Average arrival delay
2.3%
Cancelled
4 min early
Median arrival delay

Based on 342 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(58 flights)
  • Tue91%(44 flights)
  • Wed88%(42 flights)
  • Thu80%(59 flights)
  • Fri82%(56 flights)
  • Sat90%(31 flights)
  • Sun74%(43 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM90%(122 flights)
  • 9 AM–12 PM89%(37 flights)
  • 12–3 PM71%(34 flights)
  • 3–6 PM80%(10 flights)
  • 6–9 PM77%(111 flights)
  • 9 PM–12 AM59%(17 flights)
On-time trend by month
84%
May

Jun 91% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%42
July 202591%43
August 202576%25
September 202557%21
October 202569%26
November 202576%25
December 202589%26
February 202689%27
March 202682%28
April 202681%31
May 202684%31
Departures on time
78%
Diverted
0.3%
Flights flown
333
Months covered
12

Keep nerding

Based on 342 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.