Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1157

Operated by United Airlines

Live map

Live map filtered to UAL1157. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
04:01 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
270° / 8 kt
Visibility
10 SM
Ceiling
FEW 7,000 ft, SCT 20,000 ft
Temp / Dew
19°C / 15°C
Altimeter
29.83 inHg

Obs: 2026-04-15T07:54:00.000Z

Raw METAR / TAF 
METAR KBOS 150754Z 27008KT 10SM FEW070 SCT200 19/15 A2983 RMK AO2 SLP099 T01890150

TAF KBOS 150532Z 1506/1612 24010KT P6SM SCT070 FM151200 32005KT P6SM SCT025 FM151500 08007KT 6SM BR BKN015 FM151700 09010KT P6SM BKN008 PROB30 1521/1602 2SM -TSRA OVC008CB FM160200 06004KT 3SM BR OVC008 WS020/23035KT PROB30 1605/1611 1SM -SHRA BR OVC006

flight Live Traffic

flight_takeoff 57 Departures
flight_land 79 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
04:01 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
140° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
17°C / 16°C
Altimeter
29.93 inHg

Obs: 2026-04-15T07:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150752Z 14005KT 10SM CLR 17/16 A2993 RMK AO2 SLP133 T01720156 $

TAF KIAD 150529Z 1506/1612 00000KT P6SM SCT120 FM151200 21003KT P6SM FEW110 FM151500 22011G17KT P6SM FEW130 FM152300 21006KT P6SM SCT210 FM160500 00000KT P6SM SCT210

flight Live Traffic

flight_takeoff 40 Departures
flight_land 50 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AA8C39 BOS → IAD Apr 13, 22:05 UTCApr 13, 22:25 UTC20m - -
2026-04-13 A1CDD8 BOS → IAD Apr 13, 01:55 UTCApr 13, 02:40 UTC45m - -

Performance history

Flights tracked
2
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 2

UAL1157 frequently asked

Where does flight UAL1157 fly?
UAL1157 (United Airlines) flies from BOS to IAD. View the full route page.
How long is flight UAL1157?
Based on observed flights, UAL1157 takes on average 33m from takeoff to landing.
How often does UAL1157 fly?
UAL1157 has been observed flying rarely in our tracking data. We've recorded 2 flights under this callsign.
What aircraft operates flight UAL1157?
UAL1157 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1157 live?
Yes. When UAL1157 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.