Knoxville/Maryville (TYS) to Philadelphia (PHL) flights
Piedmont Airlines, PSA Airlines, Allegiant Air fly nonstop from McGhee Tyson Airport to Philadelphia International Airport, with about 22 flights a week in July 2026. The 555-mile flight takes about 1h 51m gate to gate.
- Distance
- 555 mi · 893 km
- Flight time
- 1h 51m
- Airlines
- 3
- Seats filled
- 77%
Airlines flying TYS to PHL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Piedmont Airlines | 13 | Embraer ERJ-145 | 28,420 | 1h 52m |
| PSA Airlines | 7 | Bombardier CRJ900, Bombardier CRJ700 | 15,127 | 1h 47m |
| Allegiant Air | 2 | Boeing 737 MAX 8, Airbus A320-100/200 | 3,323 | 1h 57m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
TYS to PHL flight schedule
6 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:57am and the last at 6:36pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AA 5620American Airlines · operated by PSA Airlines | 6:57am | 8:54am | 31 | 85% |
| AA 5855American Airlines · operated by Piedmont Airlines | 11:08am | 1:08pm | 27 | 78% |
| AA 5951American Airlines · operated by Piedmont Airlines | 1:43pm | 3:45pm | 4 | 64% |
| G4 3476Allegiant Air | 2:56pm | 4:46pm | 5 | 54% |
| AA 5866American Airlines · operated by Piedmont Airlines | 6:32pm | 8:36pm | 27 | 58% |
| AA 5952American Airlines · operated by Piedmont Airlines | 6:36pm | 8:38pm | 4 | 66% |
Is TYS to PHL on time?
From September 2025 to August 2026, 80% of 1,031 flights arrived within 15 minutes of schedule and 2.6% were cancelled. Flights leaving around 6am were the most punctual (89%), those around 1pm the least (66%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,001 | 80% | 19 min | 2.7% |
| Allegiant Air | 30 | 60% | 37 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 153 | 89% | |
| 7am to 8am | 185 | 86% | |
| 10am to 11am | 85 | 86% | |
| 11am to 12pm | 34 | 79% | |
| 1pm to 2pm | 81 | 66% | |
| 2pm to 3pm | 145 | 83% | |
| 3pm to 4pm | 35 | 66% | |
| 6pm to 7pm | 257 | 73% | |
| 7pm to 8pm | 28 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 87 | 4,283 | |
| September 2025 | 100 | 4,924 | |
| October 2025 | 114 | 5,193 | |
| November 2025 | 69 | 3,522 | |
| December 2025 | 79 | 3,475 | |
| January 2026 | 61 | 2,168 | |
| February 2026 | 51 | 1,833 | |
| March 2026 | 62 | 2,412 | |
| April 2026 | 85 | 3,663 | |
| May 2026 | 97 | 4,877 | |
| June 2026 | 96 | 5,204 | |
| July 2026 | 96 | 5,316 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.