Complex sentence: However, issues can arise in transit which may delay the package from reaching the recipient at the established delivery date, for example, an incorrect recipient address, a delivery re-attempt request, a mechanical delay, a weather delay, or a service upgrade request.
Split into simpler sentences: However, issues can arise in transit which may delay the package from reaching the recipient at the established delivery date. Such issues include an incorrect recipient address, a delivery re-attempt request, a mechanical delay, a weather delay, or a service upgrade request.