KLM Royal Dutch Airlines Flight KL621 / KLM255
| Schiphol (AMS) — Hartsfield Jackson Atlanta Intl (ATL) | ||
| Aircraft B77W | Airline KLM Royal Dutch Airlines | Journey time 09h15m |
| Flight no. KL621 | Callsign KLM255 | Arrival day N/A |
| Service type Normal passenger | Seats 408 | Freight class Containers |
| Freight capacity 19.7 tons | Passenger classes Economy, Business Class, Shuttle | |
Days of operation
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |