| Departure | Convoy | Arrival |
| Boston, Jul 2, 1942 |
| BX.27D (Boston - Halifax) |
| St Johns NF, Jul 4, 1942 |
| Sydney CB, Sep 27, 1942 |
| SH.47 (Sydney CB - Halifax) |
| Halifax, Sep 29, 1942 |
| Halifax, Oct 1, 1942 |
| ON.131 (Liverpool - NYC) |
| New York, Oct 4, 1942 |
| New York, Oct 18, 1942 |
| HX.212 (NYC - Liverpool) |
| St Johns NF, Oct 24, 1942 |
| Kungnait Bay, Dec 21, 1942 |
| GS.16 (Kungnait Bay - St Johns NF) |
| St Johns NF, Dec 27, 1942 |
| New York, Jan 22, 1943 |
| HX.224 (NYC - Liverpool) |
| St Johns NF, Jan 28, 1943 |
| St Johns NF, Jan 29, 1943 |
| SG.19 (St Johns NF - Greenland) |
| Greenland, Feb 4, 1943 |
| Algiers, Aug 5, 1943 |
| GTX.5 (Gibraltar - Port Said) |
| Malta, Aug 9, 1943 |
| Oran, Jun 7, 1944 |
| KMS.52 (Gibraltar - Port Said) |
| Bizerta, Jun 10, 1944 |
| Dorchester was lost in the N. Atlantic on Feb 3, 1943 whilst sailing as a part of convoy SG.19. Cause of loss: U 223. |
|---|---|---|---|---|---|