There are 2 internet providers operating in Flagstaff, the most popular being Suddenlink Communications. Suddenlink Communications offers cable internet service. In 11,635 recent tests, on average, we have been seeing 148 Mbps for download speeds and 21 Mbps for upload speeds for Suddenlink Communications customers. In addition to Suddenlink Communications, DSL and fiber internet service is also available from CenturyLink.
While these are the real speeds we have been seeing in our research, there are many factors that go into the actual download and upload speeds you will encounter.
| Provider | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| Suddenlink Communications Cable | 148 Mbps | 21 Mbps | 29 ms |
| CenturyLink DSL Fiber | 95 Mbps | 82 Mbps | 31 ms |
| * Data from speed tests taken in the last 3 months | |||
Suddenlink Communications is the most popular provider in Flagstaff offering cable internet service. Users have been getting 148 Mbps for download speeds and 21 Mbps for upload speeds over 11,635 recent tests.
Suddenlink Communications has the fastest average download speed, the 2nd fastest average upload speed, and the lowest latency out of all of the providers in Flagstaff. 33% of users saw download speeds between 250-500 Mbps, and 41% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 385 Mbps | 31 Mbps | 34 ms |
| June 17, 2024 | 135 Mbps | 26 Mbps | 33 ms |
| June 17, 2024 | 144 Mbps | 32 Mbps | 32 ms |
| June 17, 2024 | 39 Mbps | 35 Mbps | 28 ms |
| June 17, 2024 | 314 Mbps | 11 Mbps | 27 ms |
| June 17, 2024 | 221 Mbps | 20 Mbps | 27 ms |
| June 17, 2024 | 223 Mbps | 21 Mbps | 29 ms |
| June 17, 2024 | 145 Mbps | 28 Mbps | 27 ms |
| June 17, 2024 | 478 Mbps | 34 Mbps | 28 ms |
| June 17, 2024 | 308 Mbps | 21 Mbps | 29 ms |
CenturyLink is the 2nd most popular provider in Flagstaff offering DSL and fiber internet service. Users have been getting 95 Mbps for download speeds and 82 Mbps for upload speeds over 1,677 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the 2nd lowest latency out of all of the providers in Flagstaff. 29% of users saw download speeds between 50-100 Mbps, and 26% of users saw upload speeds between 50-100 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| June 17, 2024 | 51 Mbps | 7 Mbps | 47 ms |
| June 17, 2024 | 111 Mbps | 66 Mbps | 29 ms |
| June 17, 2024 | 96 Mbps | 87 Mbps | 20 ms |
| June 17, 2024 | 442 Mbps | 611 Mbps | 35 ms |
| June 17, 2024 | 456 Mbps | 322 Mbps | 355 ms |
| June 16, 2024 | 86 Mbps | 87 Mbps | 18 ms |
| June 16, 2024 | 1 Mbps | 1 Mbps | 75 ms |
| June 16, 2024 | 447 Mbps | 299 Mbps | 169 ms |
| June 15, 2024 | 449 Mbps | 268 Mbps | 35 ms |
| June 15, 2024 | 87 Mbps | 1 Mbps | 17 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.