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WanderNerd

Route Reliability

Seattle → Fort Lauderdale

SEAFLL · 2,717 miles · Seattle–Tacoma International Airport to Fort Lauderdale–Hollywood International Airport

79
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
3 min
Average arrival delay
1.0%
Cancelled
826
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines81%462 flights
  2. 2.Delta Air Lines74%364 flights

What the data says

The 12–3 PM departure wins.

SEA–FLL flights departing between 12–3 PM arrived on time 84% of the time, versus 67% between 9 AM–12 PM.

Sunday scaries are real for this one.

SEA–FLL flights arrived on time 92% of the time on Wednesdays and just 71% on Sundays. That gap is worth planning around.

Alaska Airlines has a slight edge here.

Alaska Airlines arrived on time 81% of the time on this route; Delta Air Lines managed 74%.

Trending in the right direction.

SEA–FLL flights arrived on time 81% of the time over the last three months in the data, compared with 70% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon74%(117 flights)
  • Tue82%(111 flights)
  • Wed92%(112 flights)
  • Thu78%(117 flights)
  • Fri74%(120 flights)
  • Sat77%(115 flights)
  • Sun71%(120 flights)
On-time by departure window
  • 6–9 AM83%(483 flights)
  • 9 AM–12 PM67%(183 flights)
  • 12–3 PM84%(49 flights)
  • 6–9 PM(1 flights)
  • 9 PM–12 AM72%(96 flights)
On-time trend by month
89%
May

Jun 85% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%60
July 202572%57
August 202582%62
September 202592%59
October 202592%62
November 202573%64
December 202564%92
January 202674%65
February 202671%69
March 202675%84
April 202679%76
May 202689%62

Based on 826 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.