Best Time to Fly PHL to TYS: On-Time Stats by Hour & Airline
Philadelphia International → McGhee Tyson
Data through July 2026 · Last updated October 18, 2026
344 flights were scheduled from Philadelphia (PHL) to Knoxville (TYS) in the last 12 months, and 66.7% of those that flew arrived on time, 11.0 points below the US average of 77.6%.
PSA Airlines was the only reporting airline with regular flights on this route.
November has been the best month (83% on time) and Thursday the weakest day of the week (61%).
4.4% of flights were cancelled, versus 1.8% nationally.
PHL to TYS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| PSA Airlines | 68.6% | 98 min | 4.6% | 323 |
| Allegiant Air | Limited data | 21 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to TYS
On-time arrival % by scheduled departure hour (local time), 823 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 82.6% | 0.0% | 87 |
| 10am–11am | Limited data | 3 | |
| 1pm–2pm | 87.5% | 3.0% | 33 |
| 2pm–3pm | Limited data | 28 | |
| 3pm–4pm | Limited data | 26 | |
| 4pm–5pm | Limited data | 27 | |
| 5pm–6pm | 56.5% | 4.2% | 72 |
| 6pm–7pm | 68.0% | 6.1% | 440 |
| 7pm–8pm | 76.9% | 2.8% | 107 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to TYS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 28 | ||
| Summer peak (Jun 15 - Aug 15) | 52.5% | -21.5 pts | 9.3% | 151 |
| All other days | 74.0% | — | 2.9% | 624 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).