Airlines at McGhee Tyson Airport (TYS)
Knoxville/Maryville, Tennessee KTYS #80 US airport by passengers
Airlines operating at TYS, ranked by number of departures.
On-time performance at TYS
Based on 3,988 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
| Airline | Departures | Late |
|---|---|---|
| Allegiant Air | 912 | 28.2% |
| PSA Airlines | 678 | 19.5% |
| Southwest Airlines | 534 | 27.2% |
| Delta Air Lines | 483 | 14.1% |
| SkyWest Airlines | 464 | 25.9% |
| American Airlines | 419 | 29.8% |
| United Airlines | 286 | 16.4% |
| Envoy Air | 177 | 23.7% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Six airlines offer nonstop flights to more than 30 destinations from TYS, according to the airport. Southwest began service in March 2026 with nonstop flights to Nashville, Baltimore, Dallas and Orlando.