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Flight Reliability

WN 2187 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2187 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
2 min
Average arrival delay
0.5%
Cancelled
6 min early
Median arrival delay

Based on 415 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(76 flights)
  • Tue79%(58 flights)
  • Wed77%(57 flights)
  • Thu88%(74 flights)
  • Fri86%(78 flights)
  • Sat89%(28 flights)
  • Sun83%(40 flights)
On-time by departure window
  • 6–9 AM92%(106 flights)
  • 9 AM–12 PM93%(84 flights)
  • 12–3 PM89%(46 flights)
  • 3–6 PM75%(99 flights)
  • 6–9 PM74%(66 flights)
  • 9 PM–12 AM80%(10 flights)
On-time trend by month
86%
May

Jun 87% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202580%30
August 202586%71
September 202587%79
October 202588%41
November 202590%40
December 202586%35
January 2026100%11
February 202685%20
March 202656%25
April 202673%15
May 202686%14
Departures on time
80%
Diverted
0.5%
Flights flown
411
Months covered
12

Keep nerding

Based on 415 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.