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Flight Reliability

WN 1624 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1624 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

78%
Arrive within 15 minutes
5 min
Average arrival delay
0.8%
Cancelled
4 min early
Median arrival delay

Based on 369 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(44 flights)
  • Tue90%(68 flights)
  • Wed82%(72 flights)
  • Thu64%(45 flights)
  • Fri78%(40 flights)
  • Sat89%(36 flights)
  • Sun65%(60 flights)
On-time by departure window
  • 6–9 AM86%(43 flights)
  • 9 AM–12 PM89%(79 flights)
  • 12–3 PM80%(79 flights)
  • 3–6 PM80%(49 flights)
  • 6–9 PM67%(82 flights)
  • 9 PM–12 AM61%(33 flights)
On-time trend by month
88%
May

Jun 93% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%14
July 202579%14
August 202580%39
September 202561%43
October 202570%23
November 202586%35
December 202559%44
January 202664%11
February 202693%15
March 202683%35
April 202689%44
May 202688%48
Departures on time
76%
Diverted
0.3%
Flights flown
365
Months covered
12

Keep nerding

Based on 369 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.