UAL3940
- Airline
- United Airlines (UAL)
- Route
- Hartsfield Jackson Atlanta International Airport (ATL/KATL) → Chicago O'Hare International Airport (ORD/KORD)
- Observed take-off
- Observed landing
- Aircraft
- N23721 · BOEING 737-700
- Positions recorded
- 2032
- Time airborne
- 97 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.