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Flight Reliability

WN 1674 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1674 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

72%
Arrive within 15 minutes
11 min
Average arrival delay
0.2%
Cancelled
1 min early
Median arrival delay

Based on 468 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(69 flights)
  • Tue80%(64 flights)
  • Wed78%(67 flights)
  • Thu81%(72 flights)
  • Fri80%(65 flights)
  • Sat69%(52 flights)
  • Sun53%(76 flights)
On-time by departure window
  • 3–6 AM—(5 flights)
  • 6–9 AM88%(56 flights)
  • 9 AM–12 PM87%(146 flights)
  • 12–3 PM64%(115 flights)
  • 3–6 PM60%(93 flights)
  • 6–9 PM50%(50 flights)
On-time trend by month
80%
May

Jun 52% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%46
July 202550%46
August 202574%31
September 202589%26
October 202580%39
November 202581%48
December 202571%59
January 202689%28
February 202665%34
March 202694%32
April 202662%37
May 202680%39
Departures on time
68%
Diverted
0.4%
Flights flown
465
Months covered
12

Keep nerding

Based on 468 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.