UAL503

Airline

United Airlines (UAL)

Route

Tailwind Boston Seaplane Base (US-0568) → Chicago O'Hare International Airport (ORD/KORD)

Observed take-off

2026-09-24 14:57 UTC

Observed landing

2026-09-24 16:56 UTC

Aircraft

N452UA · AIRBUS A-320

Positions recorded

5012

Time airborne

119 min

Previous flights of UAL503

• UAL503 Tailwind Boston Seaplane Base (US-0568) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-23 16:54 UTC
• UAL503 Tailwind Boston Seaplane Base (US-0568) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-22 17:03 UTC
• UAL503 Boston Logan International Airport (BOS/KBOS) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-21 17:09 UTC
• UAL503 Boston Logan International Airport (BOS/KBOS) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-20 17:09 UTC
• UAL503 Boston Logan International Airport (BOS/KBOS) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-19 19:47 UTC
• UAL503 Tailwind Boston Seaplane Base (US-0568) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-18 17:21 UTC
• UAL503 Tailwind Boston Seaplane Base (US-0568) → Chicago O'Hare International Airport (ORD/KORD) 2026-09-17 19:10 UTC

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.