UAL423
- Flight number
- UAL423
- Airline
- United Airlines (UAL)
- Route
- Athens Eleftherios Venizelos International Airport (ATH/LGAV) → Chicago O'Hare International Airport (ORD/KORD) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N17015 · BOEING 787-10 Dreamliner
- Positions recorded
- 3772 As of 2026-09-24 13:21 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.