There are 2 internet providers operating in Flagstaff, the most popular being Suddenlink Communications. Suddenlink Communications offers cable internet service. In 13,442 recent tests, on average, we have been seeing 147 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 | 147 Mbps | 21 Mbps | 33 ms |
| CenturyLink DSL Fiber | 46 Mbps | 25 Mbps | 35 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 147 Mbps for download speeds and 21 Mbps for upload speeds over 13,442 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. 32% of users saw download speeds between 250-500 Mbps, and 38% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 13 Mbps | 10 Mbps | 29 ms |
| September 24, 2023 | 49 Mbps | 26 Mbps | 35 ms |
| September 24, 2023 | 300 Mbps | 53 Mbps | 34 ms |
| September 24, 2023 | 518 Mbps | 51 Mbps | 38 ms |
| September 24, 2023 | 148 Mbps | 32 Mbps | 35 ms |
| September 24, 2023 | 93 Mbps | 10 Mbps | 29 ms |
| September 24, 2023 | 98 Mbps | 37 Mbps | 32 ms |
| September 24, 2023 | 146 Mbps | 31 Mbps | 33 ms |
| September 24, 2023 | 439 Mbps | 25 Mbps | 33 ms |
| September 24, 2023 | 149 Mbps | 30 Mbps | 33 ms |
CenturyLink is the 2nd most popular provider in Flagstaff offering DSL and fiber internet service. Users have been getting 46 Mbps for download speeds and 25 Mbps for upload speeds over 1,595 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. 27% of users saw download speeds between 25-50 Mbps, and 25% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| September 24, 2023 | 1 Mbps | 1 Mbps | 92 ms |
| September 24, 2023 | 46 Mbps | 28 Mbps | 339 ms |
| September 23, 2023 | 1 Mbps | 1 Mbps | 148 ms |
| September 23, 2023 | 146 Mbps | 129 Mbps | 23 ms |
| September 23, 2023 | 45 Mbps | 26 Mbps | 196 ms |
| September 22, 2023 | 86 Mbps | 44 Mbps | 28 ms |
| September 22, 2023 | 5 Mbps | 1 Mbps | 55 ms |
| September 22, 2023 | 186 Mbps | 207 Mbps | 28 ms |
| September 22, 2023 | 46 Mbps | 28 Mbps | 352 ms |
| September 22, 2023 | 73 Mbps | 10 Mbps | 41 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.