$ host us.archive.ubuntu.com
us.archive.ubuntu.com has address 91.189.91.23
us.archive.ubuntu.com has address 91.189.91.26
us.archive.ubuntu.com has IPv6 address 2001:67c:1562::19
us.archive.ubuntu.com has IPv6 address 2001:67c:1562::16
So sounds like Ubuntu got troubles.
Can you set other mirror ?
grep us.archive.ubuntu.com /etc/apt/sources.list.d/*