Airports › Knoxville (TYS) › July 2025
Airport month · July 2025
McGhee Tyson in July 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 July 2025, reporting carriers scheduled 1,243 domestic departures from McGhee Tyson (TYS). 69.4% left less than 15 minutes late and 67.3% reached their destination on time; 3.2% were cancelled.
Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so TYS departures were level with the national departure figure.
A year earlier, in July 2024, the airport had 1,550 departures with 73.9% leaving on time: a change of −4.5 points, with flights down 20%.
Flights arriving at TYS that month were on time 61.7% of the time (1,243 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 36% and national aviation system 15%.
- On time 67.3%
- Arrived 15+ minutes late 28.7%
- Cancelled 3.2%
- Diverted 0.7%
July 2025 against a year earlier, the airport's year and the nation
| Measure | Jul 2025 | Jul 2024 | TYS, 12 months to Jul 2026 | All reported flights, Jul 2025 |
|---|---|---|---|---|
| Departed on time | 69.4% | 73.9% | 76.3% | 69.7% |
| Arrived on time | 67.3% | 72.6% | 75.1% | 69.0% |
| Cancelled | 3.2% | 4.1% | 2.1% | 2.5% |
| Average departure delay (late minutes only) | 34.2 min | 22.0 min | 22.0 min | 24.3 min |
| Scheduled departures a day | 41 | 52 | 37 | 21,048 |
| Scheduled departures | 1,243 | 1,550 | 13,561 | 631,428 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| G4 Allegiant Air | 347 | 28% | 73.8% | 22.3 min | 0.3% |
| OH PSA Airlines | 252 | 20% | 57.5% | 42.1 min | 8.7% |
| DL Delta Air Lines | 158 | 13% | 73.4% | 12.2 min | 1.3% |
| AA American Airlines | 153 | 12% | 62.1% | 35.9 min | 2.0% |
| YX Republic Airline | 138 | 11% | 62.3% | 35.4 min | 6.5% |
| OO SkyWest Airlines | 123 | 10% | 69.9% | 22.9 min | 0.8% |
| UA United Airlines | 62 | 5% | 77.4% | 8.7 min | 3.2% |
| F9 Frontier Airlines | 9 | 1% | 44.4% | 63.2 min | 0.0% |
| MQ Envoy Air | 1 | 0% | 100.0% | -12.0 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| TYS–ORD | Knoxville to Chicago | 245 | 58.8% | 41.0 min | 3.7% |
| TYS–ATL | Knoxville to Atlanta | 158 | 73.4% | 12.2 min | 1.3% |
| TYS–DFW | Knoxville to Dallas/Fort Worth | 158 | 69.6% | 23.2 min | 1.9% |
| TYS–DCA | Knoxville to Washington | 92 | 55.4% | 18.2 min | 16.3% |
| TYS–DEN | Knoxville to Denver | 80 | 70.0% | 18.0 min | 0.0% |
| TYS–LGA | Knoxville to New York | 74 | 60.8% | 54.7 min | 9.5% |
| TYS–SFB | Knoxville to Sanford | 53 | 49.1% | 52.5 min | 0.0% |
| TYS–FLL | Knoxville to Fort Lauderdale | 45 | 68.9% | 18.4 min | 0.0% |
| TYS–PIE | Knoxville to St. Petersburg | 45 | 71.1% | 49.9 min | 0.0% |
| TYS–MIA | Knoxville to Miami | 35 | 68.6% | 44.1 min | 0.0% |
| TYS–CLT | Knoxville to Charlotte | 33 | 48.5% | 34.0 min | 0.0% |
| TYS–PHL | Knoxville to Philadelphia | 30 | 73.3% | 50.5 min | 10.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left TYS on time in July 2025?
69.4% of 1,243 scheduled domestic departures left less than 15 minutes late, and 67.3% reached their destination on time. The national figures that month were 69.7% and 69.0%.
How does that compare with a year earlier?
In July 2024, 73.9% of 1,550 departures left on time and 4.1% were cancelled, against 69.4% and 3.2% in July 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 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.