Airports › Knoxville (TYS) › April 2026
Airport month · April 2026
McGhee Tyson in April 2026
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 April 2026, reporting carriers scheduled 1,152 domestic departures from McGhee Tyson (TYS). 84.2% left less than 15 minutes late and 82.6% reached their destination on time; 1.5% were cancelled.
Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so TYS departures were 5.1 points above the national departure figure.
A year earlier, in April 2025, the airport had 1,057 departures with 81.2% leaving on time: a change of +3.0 points, with flights up 9%.
Flights arriving at TYS that month were on time 78.6% of the time (1,153 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 32% and national aviation system 16%.
- On time 82.6%
- Arrived 15+ minutes late 15.6%
- Cancelled 1.5%
- Diverted 0.3%
April 2026 against a year earlier, the airport's year and the nation
| Measure | Apr 2026 | Apr 2025 | TYS, 12 months to Jul 2026 | All reported flights, Apr 2026 |
|---|---|---|---|---|
| Departed on time | 84.2% | 81.2% | 76.3% | 79.1% |
| Arrived on time | 82.6% | 78.9% | 75.1% | 78.9% |
| Cancelled | 1.5% | 1.1% | 2.1% | 0.9% |
| Average departure delay (late minutes only) | 12.4 min | 18.8 min | 22.0 min | 14.5 min |
| Scheduled departures a day | 38 | 35 | 37 | 19,931 |
| Scheduled departures | 1,152 | 1,057 | 13,561 | 597,919 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OH PSA Airlines | 287 | 25% | 78.0% | 8.0 min | 2.8% |
| G4 Allegiant Air | 231 | 20% | 79.7% | 3.9 min | 0.0% |
| WN Southwest Airlines | 156 | 14% | 89.1% | -4.7 min | 0.0% |
| DL Delta Air Lines | 121 | 11% | 90.1% | -9.3 min | 0.8% |
| AA American Airlines | 119 | 10% | 82.4% | -4.3 min | 1.7% |
| OO SkyWest Airlines | 108 | 9% | 76.9% | -0.4 min | 5.6% |
| UA United Airlines | 61 | 5% | 83.6% | 2.8 min | 0.0% |
| MQ Envoy Air | 60 | 5% | 93.3% | -3.7 min | 0.0% |
| F9 Frontier Airlines | 9 | 1% | 77.8% | -4.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| TYS–ORD | Knoxville to Chicago | 198 | 74.2% | 0.0 min | 6.1% |
| TYS–DFW | Knoxville to Dallas/Fort Worth | 149 | 83.2% | -3.2 min | 1.3% |
| TYS–ATL | Knoxville to Atlanta | 121 | 90.1% | -9.3 min | 0.8% |
| TYS–DCA | Knoxville to Washington | 89 | 70.8% | 28.4 min | 2.2% |
| TYS–CLT | Knoxville to Charlotte | 86 | 86.0% | 4.6 min | 0.0% |
| TYS–DEN | Knoxville to Denver | 75 | 93.3% | -8.2 min | 0.0% |
| TYS–BNA | Knoxville to Nashville | 60 | 86.7% | -5.2 min | 0.0% |
| TYS–PIE | Knoxville to St. Petersburg | 45 | 84.4% | 2.3 min | 0.0% |
| TYS–SFB | Knoxville to Sanford | 44 | 86.4% | 1.1 min | 0.0% |
| TYS–FLL | Knoxville to Fort Lauderdale | 39 | 61.5% | 21.3 min | 0.0% |
| TYS–MCO | Knoxville to Orlando | 39 | 89.7% | 0.1 min | 0.0% |
| TYS–BWI | Knoxville to Baltimore | 30 | 100.0% | -12.2 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left TYS on time in April 2026?
84.2% of 1,152 scheduled domestic departures left less than 15 minutes late, and 82.6% reached their destination on time. The national figures that month were 79.1% and 78.9%.
How does that compare with a year earlier?
In April 2025, 81.2% of 1,057 departures left on time and 1.1% were cancelled, against 84.2% and 1.5% in April 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.