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Flight Reliability

WN 1629 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1629 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

82%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 454 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(66 flights)
  • Tue92%(65 flights)
  • Wed87%(61 flights)
  • Thu78%(64 flights)
  • Fri83%(66 flights)
  • Sat82%(54 flights)
  • Sun77%(77 flights)
On-time by departure window
  • 3–6 AM94%(18 flights)
  • 6–9 AM90%(142 flights)
  • 9 AM–12 PM85%(120 flights)
  • 12–3 PM80%(56 flights)
  • 3–6 PM50%(54 flights)
  • 6–9 PM81%(63 flights)
On-time trend by month
50%
May

Jun 91% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%32
July 202586%29
August 202593%54
September 202584%56
October 202584%31
November 202584%49
December 202587%46
January 202691%32
February 202692%24
March 202674%31
April 202661%33
May 202650%36
Departures on time
82%
Diverted
0.2%
Flights flown
453
Months covered
12

Keep nerding

Based on 454 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.