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Flight Reliability

WN 2623 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2623 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

83%
Arrive within 15 minutes
4 min
Average arrival delay
1.1%
Cancelled
2 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(61 flights)
  • Tue84%(55 flights)
  • Wed84%(56 flights)
  • Thu80%(60 flights)
  • Fri84%(57 flights)
  • Sat91%(33 flights)
  • Sun78%(45 flights)
On-time by departure window
  • 6–9 AM88%(80 flights)
  • 9 AM–12 PM96%(24 flights)
  • 12–3 PM86%(90 flights)
  • 3–6 PM85%(92 flights)
  • 6–9 PM68%(63 flights)
  • 9 PM–12 AM78%(18 flights)
On-time trend by month
85%
May

Jun 92% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%52
July 202590%58
August 202576%29
September 202569%26
October 202587%45
November 202564%14
December 202583%23
January 2026100%24
February 2026100%16
March 202662%29
April 202672%25
May 202685%26
Departures on time
78%
Diverted
0%
Flights flown
367
Months covered
12

Keep nerding

Based on 371 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.