Maybe its just a node on the path of your payments that is slow, not even necessarily your node that is slow. In theory nodes you route through or the receiver can hold the payment (htlcs) for hours.
Why is my nostr:nprofile1qqsyv47lazt9h6ycp2fsw270khje5egjgsrdkrupjg27u796g7f5k0spzamhxue69uhhyetvv9ujuurjd9kkzmpwdejhgtcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszymhwden5te0wp6hyurvv4cxzeewv4ej7hjm7rj so slow? 🤔 It takes a minute to send a zap. I have 4 channels with plenty of funds. Still... Do I need to open more channels?
Discussion
Maybe you zapped some receiver that doesn't instantly settle the payment, iirc the Zeus lightning addresses can hold htlcs.