UAL503
- Airline
- United Airlines (UAL)
- Route
- Boston Logan International Airport (BOS/KBOS) → Chicago O'Hare International Airport (ORD/KORD)
- Observed take-off
- Observed landing
- Aircraft
- N17301 · BOEING 737 MAX 8
- Positions recorded
- 7038
- Time airborne
- 142 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.