There are 2 internet providers operating in Flagstaff, the most popular being Suddenlink Communications. Suddenlink Communications offers cable internet service. In 11,391 recent tests, on average, we have been seeing 145 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 | 145 Mbps | 21 Mbps | 28 ms |
| CenturyLink DSL Fiber | 70 Mbps | 54 Mbps | 21 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 145 Mbps for download speeds and 21 Mbps for upload speeds over 11,391 recent tests.
Suddenlink Communications has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Flagstaff. 31% of users saw download speeds between 100-250 Mbps, and 41% of users saw upload speeds between 25-50 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 149 Mbps | 31 Mbps | 31 ms |
| March 26, 2023 | 51 Mbps | 2 Mbps | 42 ms |
| March 26, 2023 | 309 Mbps | 49 Mbps | 25 ms |
| March 26, 2023 | 172 Mbps | 34 Mbps | 26 ms |
| March 26, 2023 | 243 Mbps | 20 Mbps | 24 ms |
| March 26, 2023 | 302 Mbps | 32 Mbps | 21 ms |
| March 26, 2023 | 8 Mbps | 5 Mbps | 29 ms |
| March 26, 2023 | 29 Mbps | 27 Mbps | 22 ms |
| March 26, 2023 | 145 Mbps | 31 Mbps | 36 ms |
| March 26, 2023 | 21 Mbps | 8 Mbps | 32 ms |
CenturyLink is the 2nd most popular provider in Flagstaff offering DSL and fiber internet service. Users have been getting 70 Mbps for download speeds and 54 Mbps for upload speeds over 455 recent tests.
CenturyLink has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Flagstaff. 34% of users saw download speeds between 50-100 Mbps, and 30% of users saw upload speeds slower than 5 Mbps.
Download Speeds
Upload Speeds
| Date | Download Speed | Upload Speed | Latency |
|---|---|---|---|
| March 26, 2023 | 148 Mbps | 1 Mbps | 25 ms |
| March 25, 2023 | 1 Mbps | 1 Mbps | 66 ms |
| March 25, 2023 | 34 Mbps | 2 Mbps | 29 ms |
| March 24, 2023 | 32 Mbps | 1 Mbps | 20 ms |
| March 23, 2023 | 303 Mbps | 150 Mbps | 11 ms |
| March 23, 2023 | 299 Mbps | 133 Mbps | 14 ms |
| March 23, 2023 | 116 Mbps | 89 Mbps | 23 ms |
| March 23, 2023 | 74 Mbps | 12 Mbps | 27 ms |
| March 21, 2023 | 47 Mbps | 45 Mbps | 14 ms |
| March 21, 2023 | 33 Mbps | 89 Mbps | 13 ms |
We’ll run a download test and an upload test to give you the full picture of your internet connection.