UAL3940
- Airline
- United Airlines (UAL)
- Route
- Denver International Airport (DEN/KDEN) → Chicago O'Hare International Airport (ORD/KORD)
- Observed take-off
- Observed landing
- Aircraft
- N821UA · AIRBUS A-319
- Positions recorded
- 2477
- Time airborne
- 114 min
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.