Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL204

Operated by United Airlines

Live map

Live map filtered to UAL204. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
01:03 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
230° / 10 kt
Visibility
10 SM
Ceiling
SCT 7,000 ft
Temp / Dew
18°C / 16°C
Altimeter
29.83 inHg

Obs: 2026-04-15T04:54:00.000Z

Raw METAR / TAF 
METAR KBOS 150454Z 23010KT 10SM SCT070 18/16 A2983 RMK AO2 SLP100 T01780156 402560139

TAF KBOS 150010Z 1500/1606 20012KT P6SM BKN120 TEMPO 1500/1502 28015G30KT 5SM -SHRA OVC035 FM150300 22007KT P6SM BKN180 FM150500 23006KT P6SM FEW240 FM151600 09010KT P6SM BKN100 FM151800 09010KT P6SM BKN020 PROB30 1521/1602 2SM -TSRA OVC009CB FM160300 36004KT 3SM BR BKN004

flight Live Traffic

flight_takeoff 205 Departures
flight_land 309 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
01:03 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
SCT 12,000 ft
Temp / Dew
20°C / 16°C
Altimeter
29.98 inHg

Obs: 2026-04-15T04:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150452Z 00000KT 10SM SCT120 20/16 A2998 RMK AO2 SLP148 T02000161 403060122 $

TAF KIAD 150307Z 1503/1606 36010KT 6SM -SHRA BKN070 OVC110 FM150400 25004KT P6SM FEW060 SCT200 FM151700 22010G18KT P6SM FEW060 SCT250 FM160000 22006KT P6SM SCT250

flight Live Traffic

flight_takeoff 163 Departures
flight_land 144 Arrivals

Recent history last 1

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AA7E51 BOS → IAD Apr 13, 12:23 UTCApr 13, 15:18 UTC2h 55m +13m -15m

Performance history

Flights tracked
1
Avg arrival delay
-15m
On-time arrival
100% 100% on time
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 1

UAL204 frequently asked

Where does flight UAL204 fly?
UAL204 (United Airlines) flies from BOS to IAD. View the full route page.
How long is flight UAL204?
Based on observed flights, UAL204 takes on average 2h 55m from takeoff to landing.
How often does UAL204 fly?
UAL204 has been observed flying rarely in our tracking data. We've recorded 1 flight under this callsign.
Is flight UAL204 usually on time?
Across recent flights, UAL204 arrives 15 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
Can I track UAL204 live?
Yes. When UAL204 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.