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Flight Reliability

WN 1676 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1676 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
0.2%
Cancelled
1 min early
Median arrival delay

Based on 581 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(90 flights)
  • Tue91%(85 flights)
  • Wed82%(82 flights)
  • Thu74%(85 flights)
  • Fri63%(93 flights)
  • Sat89%(54 flights)
  • Sun59%(90 flights)
On-time by departure window
  • 3–6 AM100%(16 flights)
  • 6–9 AM96%(91 flights)
  • 9 AM–12 PM83%(60 flights)
  • 12–3 PM74%(206 flights)
  • 3–6 PM64%(58 flights)
  • 6–9 PM62%(141 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
57%
May

Jun 93% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%40
July 202596%44
August 202584%43
September 202581%42
October 202571%35
November 202574%46
December 202569%54
January 202686%36
February 202680%25
March 202677%35
April 202666%83
May 202657%96
Departures on time
67%
Diverted
0.2%
Flights flown
579
Months covered
12

Keep nerding

Based on 581 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.