SK3985 Flight Status - LHR to SEA

Also known as: DL21

Real-time status and performance tracking

Airline

SK


Route

LHR SEA

Status

Active (-17m)

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14-Day Performance

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Average Delay
+1.2m
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On-Time Rate
81.8%
trend
Trend
Improving
Based on 11 flights

security
Current security wait time at LHR:
3 minutes

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On-Time vs Delayed Rate

Performance Overview

81.8%
On Time
(0-15 min)
18.2%
Delayed
(16-45 min)
0%
Severely Delayed
(>45 min)

14-Day Delay Trend

Delay by Day-of-Week Analysis

Performance by Day of Week

Flight On-Time Performance Comparison

Unlock Flight History

Recent Activity (Last 7 Days)

Jun 15
Monday
Scheduled: 5:45 PM
Actual: 5:28 PM
-17m
Active
Jun 14
Sunday
Scheduled: 6:30 PM
Actual: 6:16 PM
-14m
Landed
Jun 13
Saturday
Scheduled: 5:45 PM
Actual: 5:36 PM
-9m
Landed
Jun 12
Friday
Scheduled: 5:45 PM
Actual: 5:39 PM
-6m
Landed
Jun 11
Thursday
Scheduled: 5:45 PM
Actual: 5:35 PM
-10m
Landed
Jun 10
Wednesday
Scheduled: 5:45 PM
Actual: 5:41 PM
-4m
Landed
Jun 9
Tuesday
Scheduled: 5:45 PM
Actual: 5:40 PM
-5m
Landed

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Flight SK3985 FAQ

SK3985 is currently Active, running 17 minutes ahead of schedule. Scheduled departure is 5:45 PM local time. Actual time: 5:28 PM.

SK3985 departs from Terminal 3, Gate 25 at Heathrow Airport (LHR).

Over the last 14 days, SK3985 from LHR to SEA has an average delay of +1.2 minutes based on 11 flights tracked.

SK3985 has a 81.8% on-time rate over the last 14 days, making it reliable. On-time is defined as arriving within 15 minutes of the scheduled time.

The delay trend for SK3985 is Improving — delays have been decreasing over the last 14 days.

SK3985 is operated by SAS and flies from Heathrow Airport (LHR) to Seattle-Tacoma International Airport (SEA).

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