Flight

UAL397 29 Jan 2026

UAL397, operated by United Airlines, on 29 Jan 2026: Seattle Tacoma International (KSEA) to Denver International (KDEN), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 28 Jan 2026All UAL397 flights30 Jan 2026 →

Leg 1 of 3

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KDEN DENVER INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne04:54 PST
Last seen08:28 MST
Duration2h 33m
AircraftA12AA4
Max altitude37,025 ft
Distance tracked888 nm

Leg 2 of 3partial

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne09:11 MST
AircraftN437UA

Leg 3 of 3estimated

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → KMSP MINNEAPOLIS ST PAUL INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne10:37 MST
Last seen13:46 CST
Duration2h 09m
AircraftN437UA
Max altitude35,050 ft
Distance tracked589 nm

Punctuality, last 30 days

Flights8
On time2 (25%)
Average delay+17 min
Worst delay+27 min

In the last 30 days UAL397 departed on time (within 15 minutes) on 2 of 8 flights (25%), with an average departure delay of +17 min and a worst delay of +27 min.

UAL397 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.