ON TIMEBOARD

AS 516 on time

Alaska Airlines 516: Seattle to Fort Lauderdale at 8:23 a.m. (past 12 months)

On time
82%
337 flights · likely 78–86%
Cancelled
0.3%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+46 min
average delay
Similar flights
82%
AS, same route & hour

About 1 in 6 AS 516 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.3% were cancelled. The typical flight landed 11 minutes early.

AS 516: SEA → FLL

Scheduled to leave Seattle at 8:23 a.m. local time. Over the past year it arrived on time 82% of the time (337 flights), in line with other AS flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 90% on time (31 flights)90OctNov 2025: 80% on time (30 flights)80NovDec 2025: 65% on time (31 flights)65DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 77% on time (31 flights)77MarApr 2026: 93% on time (30 flights)93AprMay 2026: too few flights (12 flights)MayJun 2026: 95% on time (21 flights)95JunJul 2026: 68% on time (31 flights)68JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4978%
Tuesday4888%
Wednesday4894%
Thursday4883%
Friday4881%
Saturday4879%
Sunday4875%

Why it was late

Air traffic & airport (NAS) 44%Airline (crew, maintenance, ops) 44%Late inbound plane 11%

All flights SEA → FLL · Connecting off AS 516? Check the risk

Questions

How often is AS 516 from SEA to FLL late?

Alaska Airlines 516 from Seattle, WA to Fort Lauderdale, FL arrived 15 or more minutes late, was diverted or was cancelled on 18% of 337 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.