United Airlines Flight UA51 / UAL51
| Newark Liberty Intl (EWR) — Barajas (MAD) | ||
| Aircraft B764 | Airline United Airlines | Journey time 07h30m |
| Flight no. UA51 | Callsign UAL51 | Arrival day Next day |
| Service type Normal passenger | Seats 240 | Freight class Containers |
| Freight capacity 16.6 tons | Passenger classes First Class, Economy, Business Class, Shuttle | |
Days of operation
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |