Flight

DAL21 18 Jan 2026

DAL21, operated by Delta Air Lines, on 18 Jan 2026: Slave Lake (CYZH) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).

← 9 Jan 2026All DAL21 flights19 Jan 2026 →

Flightestimated

PlaneTrack receiver network
RouteCYZH SLAVE LAKE → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne13:07 MST
Last seen14:04 PST
Duration1h 56m
AircraftN856NW
Max altitude40,025 ft
Distance tracked548 nm

Punctuality, last 30 days

Flights8
On time4 (50%)
Average delay-345 min
Worst delay+35 min

In the last 30 days DAL21 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of -345 min and a worst delay of +35 min.

DAL21 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.