unfortunately

Unfortunately, the shipment arrived too late for our product launch.

残念ながら、納品が製品のローンチに間に合わなかった。

Unfortunately, the shipment will be delayed by three days due to bad weather.

残念ながら、悪天候のため、荷物が3日間遅れます。

Unfortunately, the flight was delayed due to bad weather conditions.

残念ながら、悪天候のため便が遅延しました。