Is Comerica Bank Down? Check Comerica Bank down trends and times.
comerica.com checking.. 
Website Status
Protocol
Response Time
Response Code
Ping
| Checks | Ping Status | Ping Time | HTTP Status | HTTP Time | Status |
|---|---|---|---|---|---|
| 5 days ago |  success |
7 ms | 200 (OK) | 337 ms | Up |
| 34 days ago | success |
8 ms | 200 (OK) | 492 ms | Up |