Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1103

Operated by United Airlines

Live map

Live map filtered to UAL1103. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
00:44 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
170° / 12 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 22,000 ft
Temp / Dew
19°C / 9°C
Altimeter
30.18 inHg

Obs: 2026-08-28T05:53:00.000Z

Raw METAR / TAF 
METAR KDEN 280553Z 17012KT 10SM FEW100 SCT220 19/09 A3018 RMK AO2 SLP135 T01890089 10306 20183 50003

TAF KDEN 280536Z 2806/2912 18011KT P6SM FEW100 FEW150 FM281100 23011KT P6SM FEW120 FM281600 VRB06KT P6SM FEW120 FM282100 02008KT P6SM FEW100 SCT120 PROB30 2821/2902 VRB15G25KT -SHRA BKN080 FM290200 VRB06KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220

flight Live Traffic

flight_takeoff 142 Departures
flight_land 109 Arrivals

Arrival

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
02:44 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
200° / 10 kt
Visibility
10 SM
Ceiling
BKN 800 ft, BKN 15,000 ft, OVC 25,000 ft
Temp / Dew
22°C / 21°C
Altimeter
29.97 inHg

Obs: 2026-08-28T06:28:00.000Z

Raw METAR / TAF 
SPECI KBOS 280628Z 20010KT 10SM BKN008 BKN150 OVC250 22/21 A2997 RMK AO2 T02170206

TAF KBOS 280529Z 2806/2912 18006KT P6SM FEW018 BKN220 FM280800 20004KT P6SM BKN030 TEMPO 2808/2811 BKN010 FM281200 19007KT P6SM SCT025 FM281500 12005KT P6SM BKN050 PROB30 2818/2821 4SM TSRA OVC040CB FM282300 21004KT P6SM BKN100 FM290300 33007KT P6SM SCT090

flight Live Traffic

flight_takeoff 141 Departures
flight_land 116 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AA7F23 DEN → BOS Jul 26, 21:25 UTCJul 26, 21:45 UTC20m - -
2026-07-25 A2BBCC DEN → BOS Jul 25, 21:30 UTCJul 25, 21:50 UTC20m - -
2026-07-25 A2BBCC DEN → BOS Jul 25, 21:36 UTCJul 26, 02:10 UTC4h 34m +26m -4m
2026-07-25 A12AC1 DEN → BOS Jul 25, 01:35 UTCJul 25, 02:15 UTC40m - -
2026-07-24 A12AC1 DEN → BOS Jul 24, 21:20 UTCJul 24, 21:30 UTC10m - -
2026-07-23 A12B0A DEN → BOS Jul 23, 21:35 UTCJul 23, 21:50 UTC15m - -
2026-07-23 A12B0A DEN → BOS Jul 23, 21:36 UTCJul 24, 02:22 UTC4h 46m +26m -5m
2026-07-22 A12AEA DEN → BOS Jul 22, 21:25 UTCJul 22, 21:40 UTC15m - -
2026-07-22 A12AEA DEN → BOS Jul 22, 21:36 UTCJul 23, 02:08 UTC4h 32m +26m +8m
2026-07-22 A12AA0 DEN → BOS Jul 22, 01:35 UTCJul 22, 02:15 UTC40m - -
2026-07-21 A12AA0 DEN → BOS Jul 21, 21:35 UTCJul 21, 21:50 UTC15m - -
2026-07-20 A4491A DEN → BOS Jul 20, 21:25 UTCJul 20, 21:40 UTC15m - -
2026-07-20 A4491A DEN → BOS Jul 20, 21:36 UTCJul 21, 02:20 UTC4h 44m +26m -3m
2026-07-19 A12B2F DEN → BOS Jul 19, 21:20 UTCJul 20, 02:30 UTC5h 10m - -
2026-07-18 A12B09 DEN → BOS Jul 18, 21:36 UTCJul 19, 02:24 UTC4h 48m +26m -5m
2026-07-17 A4497F - Jul 17, 21:30 UTCJul 17, 21:44 UTC15m - -
2026-07-17 A4497F DEN → BOS Jul 17, 21:36 UTCJul 18, 02:16 UTC4h 40m +26m -13m
2026-07-16 A5D2F9 - Jul 16, 21:25 UTCJul 17, 02:20 UTC4h 55m - -
2026-07-15 A12B31 - Jul 15, 21:20 UTCJul 16, 02:15 UTC4h 55m - -
2026-07-15 A5D28C - Jul 15, 01:55 UTCJul 15, 02:25 UTC30m - -
2026-07-14 A5D28C - Jul 14, 21:35 UTCJul 14, 21:55 UTC20m - -
2026-07-14 A5D28C HNL → LAX Jul 14, 21:36 UTCJul 15, 02:23 UTC4h 47m +26m -3m
2026-07-14 A5D28C - Jul 14, 01:50 UTCJul 14, 02:25 UTC35m - -
2026-07-13 A5D28C - Jul 13, 21:30 UTCJul 13, 21:50 UTC20m - -
2026-07-13 A2B7F5 - Jul 13, 01:40 UTCJul 13, 02:20 UTC40m - -
2026-07-12 A2B7F5 HNL → LAX Jul 12, 21:36 UTCJul 13, 02:16 UTC4h 40m +26m +3m
2026-07-12 A2B7F5 - Jul 12, 21:20 UTCJul 12, 21:40 UTC20m - -
2026-07-12 A448F6 - Jul 12, 01:45 UTCJul 12, 02:25 UTC40m - -
2026-07-11 A448F6 - Jul 11, 21:25 UTCJul 11, 21:45 UTC20m - -
2026-07-11 A448F6 HNL → LAX Jul 11, 21:36 UTCJul 12, 02:22 UTC4h 46m +26m +4m

Performance history

Flights tracked
61 showing last 30
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
15

Monthly activity 2 months

Month Flights tracked
July 2026 49
June 2026 12

UAL1103 frequently asked

Where does flight UAL1103 fly?
UAL1103 (United Airlines) flies from DEN to BOS. View the full route page.
How long is flight UAL1103?
Based on observed flights, UAL1103 takes on average 2h 9m from takeoff to landing.
How often does UAL1103 fly?
UAL1103 has been observed flying several times a week in our tracking data. We've recorded 61 flights under this callsign.
Is flight UAL1103 usually on time?
Across recent flights, UAL1103 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1103?
UAL1103 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1103 live?
Yes. When UAL1103 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.