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Flight Reliability

WN 2100 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2100 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
8 min
Average arrival delay
0.7%
Cancelled
1 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(66 flights)
  • Tue81%(64 flights)
  • Wed75%(61 flights)
  • Thu72%(64 flights)
  • Fri67%(67 flights)
  • Sat75%(51 flights)
  • Sun87%(55 flights)
On-time by departure window
  • 6–9 AM98%(82 flights)
  • 9 AM–12 PM94%(36 flights)
  • 12–3 PM86%(50 flights)
  • 3–6 PM65%(137 flights)
  • 6–9 PM63%(123 flights)
On-time trend by month
71%
May

Jun 40% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202540%30
August 202590%31
September 2025100%30
October 202589%47
November 202569%32
December 202572%39
January 202688%41
February 202675%47
March 202697%32
April 202668%34
May 202671%35
Departures on time
69%
Diverted
0.2%
Flights flown
428
Months covered
12

Keep nerding

Based on 432 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.