UAL2278
- Airline
- United Airlines (UAL)
- Route
- San Francisco International Airport (SFO/KSFO) → Chicago O'Hare International Airport (ORD/KORD)
- Observed take-off
- Observed landing
- Aircraft
- N57855 · BOEING 757-300
- Positions recorded
- 4510
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.