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Flight Reliability

WN 1684 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1684 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

75%
Arrive within 15 minutes
9 min
Average arrival delay
0.5%
Cancelled
2 min
Median arrival delay

Based on 367 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(56 flights)
  • Tue82%(56 flights)
  • Wed83%(54 flights)
  • Thu67%(57 flights)
  • Fri67%(58 flights)
  • Sat85%(39 flights)
  • Sun73%(45 flights)
On-time by departure window
  • 3–6 AM62%(26 flights)
  • 6–9 AM91%(33 flights)
  • 9 AM–12 PM82%(62 flights)
  • 12–3 PM75%(125 flights)
  • 3–6 PM82%(22 flights)
  • 6–9 PM66%(58 flights)
  • 9 PM–12 AM67%(39 flights)
On-time trend by month
58%
May

Jun 84% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%32
July 202561%31
August 202574%35
September 202586%35
October 202578%54
November 202586%21
December 202582%17
January 202689%26
February 202678%27
March 202656%27
April 202669%29
May 202658%31
Departures on time
71%
Diverted
0%
Flights flown
365
Months covered
12

Keep nerding

Based on 367 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.