22 destinations have scheduled flights from TYS, about 299 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| Charlotte Douglas (CLT) | 53 | American Airlines | — |
| Chicago O'hare International (ORD) | 37 | United Airlines, American Airlines | — |
| Dallas/Fort Worth International (DFW) | 32 | American Airlines | — |
| Hartsfield-jackson Atlanta International (ATL) | 31 | Delta Air Lines | — |
| Ronald Reagan Washington National Airport (DCA) | 18 | American Airlines | — |
| Denver International (DEN) | 16 | United Airlines, Frontier Airlines, Inc. | — |
| Washington Dulles International (IAD) | 14 | United Airlines | — |
| Philadelphia International (PHL) | 13 | American Airlines | — |
| New York (LGA) | 12 | Delta Air Lines | — |
| Detroit Metropolitan Wayne County (DTW) | 11 | Delta Air Lines | — |
| George Bush Intercontinental (IAH) | 11 | United Airlines | — |
| Orlando International (MCO) | 8 | Southwest Airlines Co., Allegiant Air LLC | — |
| Louisville International (Standiford Field) (SDF) | 8 | UPS Airlines, Federal Express | — |
| Nashville International (BNA) | 6 | Southwest Airlines Co. | — |
| Miami International Airport (MIA) | 6 | Envoy Air Inc. | — |
| Love Field (DAL) | 5 | Southwest Airlines Co. | — |
| Memphis (MEM) | 5 | Federal Express | — |
| Fort Lauderdale–Hollywood International (FLL) | 3 | Allegiant Air LLC | — |
| Indianapolis International (IND) | 3 | Federal Express | — |
| Orlando Sanford International (SFB) | 3 | Allegiant Air LLC | — |
| Las Vegas (LAS) | 2 | Allegiant Air LLC | — |
| St. Petersburg-Clearwater International (PIE) | 2 | Allegiant Air LLC | — |
GET /routes returns each scheduled flight from TYS: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
https://www.goflightlabs.com/routes?access_key=YOUR_ACCESS_KEY&dep_iata=TYS
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.