Airports › Knoxville (TYS) › January 2025
Airport month · January 2025
McGhee Tyson in January 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In January 2025, reporting carriers scheduled 962 domestic departures from McGhee Tyson (TYS). 76.8% left less than 15 minutes late and 75.5% reached their destination on time; 4.3% were cancelled.
Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so TYS departures were 2.5 points below the national departure figure.
A year earlier, in January 2024, the airport had 1,117 departures with 73.4% leaving on time: a change of +3.4 points, with flights down 14%.
Flights arriving at TYS that month were on time 71.5% of the time (963 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 29% and national aviation system 20%.
- On time 75.5%
- Arrived 15+ minutes late 20.1%
- Cancelled 4.3%
- Diverted 0.2%
January 2025 against a year earlier, the airport's year and the nation
| Measure | Jan 2025 | Jan 2024 | TYS, 12 months to Jul 2026 | All reported flights, Jan 2025 |
|---|---|---|---|---|
| Departed on time | 76.8% | 73.4% | 76.3% | 79.3% |
| Arrived on time | 75.5% | 68.7% | 75.1% | 78.6% |
| Cancelled | 4.3% | 6.3% | 2.1% | 3.0% |
| Average departure delay (late minutes only) | 18.3 min | 24.9 min | 22.0 min | 14.0 min |
| Scheduled departures a day | 32 | 37 | 37 | 17,992 |
| Scheduled departures | 962 | 1,117 | 13,561 | 539,747 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OH PSA Airlines | 289 | 30% | 71.6% | 11.4 min | 6.6% |
| G4 Allegiant Air | 214 | 22% | 75.7% | 8.6 min | 0.5% |
| YX Republic Airline | 134 | 14% | 82.1% | 1.3 min | 3.7% |
| OO SkyWest Airlines | 97 | 10% | 79.4% | 9.7 min | 4.1% |
| AA American Airlines | 85 | 9% | 76.5% | 28.0 min | 9.4% |
| DL Delta Air Lines | 66 | 7% | 75.8% | 2.9 min | 6.1% |
| MQ Envoy Air | 60 | 6% | 68.3% | 17.0 min | 0.0% |
| F9 Frontier Airlines | 9 | 1% | 77.8% | 20.9 min | 0.0% |
| UA United Airlines | 8 | 1% | 87.5% | 0.3 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| TYS–CLT | Knoxville to Charlotte | 153 | 77.1% | 4.6 min | 4.6% |
| TYS–ORD | Knoxville to Chicago | 121 | 77.7% | 17.3 min | 2.5% |
| TYS–DFW | Knoxville to Dallas/Fort Worth | 113 | 71.7% | 26.8 min | 8.8% |
| TYS–DCA | Knoxville to Washington | 83 | 57.8% | 33.2 min | 9.6% |
| TYS–DEN | Knoxville to Denver | 80 | 82.5% | -3.1 min | 3.8% |
| TYS–LGA | Knoxville to New York | 78 | 75.6% | 2.5 min | 3.8% |
| TYS–ATL | Knoxville to Atlanta | 66 | 75.8% | 2.9 min | 6.1% |
| TYS–SFB | Knoxville to Sanford | 53 | 75.5% | 8.6 min | 0.0% |
| TYS–FLL | Knoxville to Fort Lauderdale | 37 | 70.3% | 19.8 min | 0.0% |
| TYS–PIE | Knoxville to St. Petersburg | 33 | 87.9% | -2.4 min | 0.0% |
| TYS–MIA | Knoxville to Miami | 32 | 78.1% | 10.5 min | 0.0% |
| TYS–PHL | Knoxville to Philadelphia | 31 | 93.5% | -21.7 min | 6.5% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left TYS on time in January 2025?
76.8% of 962 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 79.3% and 78.6%.
How does that compare with a year earlier?
In January 2024, 73.4% of 1,117 departures left on time and 6.3% were cancelled, against 76.8% and 4.3% in January 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for TYS · methodology · corrections.