Home / Routes / KSEA → KDLH1 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Duluth International Airport (KDLH) in Duluth. SkyMeter tracks roughly 1 scheduled flights on this route across 1 carrier. The most active operator is ASA (ASA). Average block time is 0h 0m. Departures average 24 minutes off schedule, with 100% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
1
last 1 days
ADS-B observed
1
Airlines
1
Avg dep delay
24m
Late >15 min
100.0%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-07-12 18:53  →  2026-07-12 22:21  ·  3h 28m
Replay
2025-08-22 15:40  →  2025-08-22 19:07  ·  3h 26m
Replay

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-900
B739
100%
of flights

Looking for the return flight?

View KDLH → KSEA