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UA558

DEN → BOS · Boeing 737-900 · United Airlines

For travellers

Departure · Denver (DEN)

Gate B10
Scheduled 07:45 · Estimated 07:45
Board status: On time
Airborne since 08:07 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B30 · Baggage belt 6
Scheduled 13:46 · Landed 13:19 · early
Board status: Arrived
Landed 13:19 (airport data)

Board data from bos, den, updated 31 min ago; times local to each airport.

Flight

Status
Completed (landing confirmed by airport data)
Arrival confirmed via
Airport data (confirmed)
Departure
Denver International Airport (DEN) — Denver, United States
Scheduled departure
2026-10-02 13:45 UTC
Departed
2026-10-02 14:07 UTC
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Scheduled arrival
2026-10-02 17:46 UTC
Estimated arrival
2026-10-02 17:21 UTC
Distance flown
2879 km
Straight-line distance
2816 km

Aircraft

Registration
N64809
Type
Boeing 737-900
Seats
179 total (117 Economy, 42 Economy Plus, 20 First)
CO2 (EMEP est., total)
70.0 t (534 kg/pax Business, 372 kg/pax Economy)

Altitude & speed

Max altitude
35,025 ft
Max ground speed
580 kt
Tracked
3h 9m · 2,857 km
Altitude (ft, max 35,025)
018,91437,8270m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Ground speed (kt, max 580)
03136260m30m1h 0m1h 30m2h 0m2h 30m3h 0m
Altitude (ft, max 35,025)
018,91437,8270m1h 0m2h 0m3h 0m
Ground speed (kt, max 580)
03136260m1h 0m2h 0m3h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 14:07 UTC UAL558 DEN → BOS
Denver → Boston
 N64809 Boeing 737-900 Completed (landing confirmed by airport data) 2879 km
2026-10-01 14:06 UTC UAL558 DEN → BOS
Denver → Boston
 N34574 Airbus A321 Neo Completed (landing confirmed by airport data) 2893 km
2026-09-30 13:51 UTC UAL558 DEN → BOS
Denver → Boston
 N14548 Airbus A321 Neo Completed 2967 km
2026-09-29 14:02 UTC UAL558 DEN → BOS
Denver → Boston
 N24573 Airbus A321 Neo Completed 2934 km
2026-09-20 03:55 UTC UAL558 IAD → ATL
Washington, DC → Atlanta
 N813UA Airbus A319 Completed 932 km

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