Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1503

Operated by United Airlines

Live map

Live map filtered to UAL1503. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
04:21 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
60° / 4 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
15°C / 11°C
Altimeter
30.00 inHg

Obs: 2026-05-30T08:51:00.000Z

Raw METAR / TAF 
METAR KORD 300851Z 06004KT 10SM BKN250 15/11 A3000 RMK AO2 SLP155 T01500106 53008 $

TAF KORD 300905Z 3009/3112 07007KT P6SM BKN250 FM301500 08014KT P6SM BKN250 FM310600 13008KT P6SM BKN250

flight Live Traffic

flight_takeoff 311 Departures
flight_land 229 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
05:21 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
290° / 13G23 kt
Visibility
10 SM
Ceiling
SCT 1,400 ft, SCT 2,700 ft, BKN 11,000 ft
Temp / Dew
12°C / 9°C
Altimeter
29.61 inHg

Obs: 2026-05-30T08:54:00.000Z

Raw METAR / TAF 
METAR KBOS 300854Z 29013G23KT 10SM SCT014 SCT027 BKN110 12/09 A2961 RMK AO2 RAB0757E11 SLP025 P0000 60001 T01220094 53001

TAF KBOS 300901Z 3009/3112 30013G22KT P6SM SCT015 BKN030 FM301000 36020G32KT P6SM VCSH SCT010 OVC015 FM301200 03025G44KT 3SM RA BR SCT008 OVC010 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250

flight Live Traffic

flight_takeoff 185 Departures
flight_land 159 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A0B7FA ORD → BOS May 30, 00:20 UTCMay 30, 04:15 UTC3h 55m - -
2026-05-29 A24526 ORD → BOS May 29, 00:20 UTCMay 29, 04:00 UTC3h 40m - -
2026-05-28 A92478 ORD → BOS May 28, 00:05 UTCMay 28, 03:40 UTC3h 35m - -
2026-05-27 A6EDA1 ORD → BOS May 27, 00:14 UTCMay 27, 03:50 UTC3h 35m - -
2026-05-26 A94B2B ORD → BOS May 26, 00:19 UTCMay 26, 03:40 UTC3h 20m - -
2026-05-24 AC15D1 ORD → BOS May 24, 00:15 UTCMay 24, 03:30 UTC3h 15m - -
2026-05-23 AA7F02 ORD → BOS May 23, 00:10 UTCMay 23, 03:35 UTC3h 24m - -
2026-05-22 AA7F03 ORD → BOS May 22, 00:25 UTCMay 22, 03:45 UTC3h 20m - -
2026-05-20 A60814 ORD → BOS May 20, 20:40 UTCMay 20, 21:40 UTC1h 0m - -
2026-05-20 A60814 ORD → BOS May 20, 20:42 UTCMay 20, 21:32 UTC50m +12m -10m
2026-05-19 A55785 ORD → BOS May 19, 21:00 UTCMay 19, 22:00 UTC1h 0m - -
2026-05-18 A0AD3E ORD → BOS May 18, 21:35 UTCMay 18, 22:35 UTC1h 0m - -
2026-05-17 A12B0E ORD → BOS May 17, 21:10 UTCMay 17, 22:20 UTC1h 10m - -
2026-05-16 AB3A0C ORD → BOS May 16, 21:10 UTCMay 16, 22:20 UTC1h 10m - -
2026-05-15 AA7E9A ORD → BOS May 15, 20:45 UTCMay 15, 21:50 UTC1h 5m - -
2026-05-15 AA7E9A ORD → BOS May 15, 20:42 UTCMay 15, 21:47 UTC1h 5m +12m -2m
2026-05-14 A44939 ORD → BOS May 14, 22:35 UTCMay 14, 23:35 UTC1h 0m - -
2026-05-13 A5D570 ORD → BOS May 13, 20:45 UTCMay 13, 21:55 UTC1h 10m - -
2026-05-12 A56661 ORD → BOS May 12, 20:55 UTCMay 12, 21:55 UTC1h 0m - -
2026-05-11 A12B0E ORD → BOS May 11, 20:55 UTCMay 11, 21:50 UTC55m - -
2026-05-10 A12A9E ORD → BOS May 10, 20:45 UTCMay 10, 21:44 UTC1h 0m - -
2026-05-10 A12A9E ORD → BOS May 10, 20:42 UTCMay 10, 21:40 UTC58m +12m +4m
2026-05-09 ABB440 ORD → BOS May 9, 20:34 UTCMay 9, 21:34 UTC1h 0m - -
2026-05-08 A12A7C ORD → BOS May 8, 21:50 UTCMay 8, 22:45 UTC55m - -
2026-05-07 A44982 ORD → BOS May 7, 21:05 UTCMay 7, 22:10 UTC1h 5m - -
2026-05-06 A5B1A8 ORD → BOS May 6, 22:45 UTCMay 6, 23:45 UTC1h 0m - -
2026-05-05 A53EE2 ORD → BOS May 5, 20:50 UTCMay 5, 21:50 UTC1h 0m - -
2026-05-04 A5CF19 ORD → BOS May 4, 20:40 UTCMay 4, 21:40 UTC1h 0m - -
2026-05-03 A12B07 ORD → BOS May 3, 21:00 UTCMay 3, 22:00 UTC1h 0m - -
2026-05-02 ABBBAE ORD → BOS May 2, 20:40 UTCMay 2, 21:35 UTC55m - -

Performance history

Flights tracked
51 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 2 months

Month Flights tracked
May 2026 31
April 2026 20

UAL1503 frequently asked

Where does flight UAL1503 fly?
UAL1503 (United Airlines) flies from ORD to BOS. View the full route page.
How long is flight UAL1503?
Based on observed flights, UAL1503 takes on average 1h 41m from takeoff to landing.
How often does UAL1503 fly?
UAL1503 has been observed flying daily in our tracking data. We've recorded 51 flights under this callsign.
Is flight UAL1503 usually on time?
Across recent flights, UAL1503 arrives 3 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1503?
UAL1503 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1503 live?
Yes. When UAL1503 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.