UAL1577
- Airline
- United Airlines (UAL)
- Route
- Chicago O'Hare International Airport (ORD/KORD) → San Francisco International Airport (SFO/KSFO)
- Observed take-off
- Observed landing
- Aircraft
- N57857 · BOEING 757-300
- Positions recorded
- 3161
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.