Walk times are estimates from the distance, allowing for streets. Leave a little extra time.
Tight transfer · The 14:43 trip leaves only 4 min to change from Luxembourg, Gare Centrale (Tram) to Luxembourg, Gare Centrale (1 min walk); a delay could make you miss line RB.Fastest option: leave at 14:43, arrive 15:04 (21 min, 1 change).