Route · PHL → TYS · 2020–2025 BTS data
Philadelphia to Knoxville
The PHL–TYS corridor (Philadelphia, PA → Knoxville, TN) runs behind the national average, served by 3 carriers across roughly 554 miles.
Data updated 2026-06-13
- 75.4%
- On-time
- -3.6 pts
- vs US avg
- 81 min
- Delay when late
- 1,730
- Flights
Cancelled
2.5%
Best Month
Oct 2023 89%
Worst Month
Aug 2024 69%
Distance
554 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 33 | 16 | 3 | 0 | OH |
| Nov 2025 | 40 | 9 | 0 | 2 | OH |
| Oct 2025 | 31 | 6 | 1 | 0 | OH |
| Sep 2025 | 30 | 8 | 1 | 0 | OH |
| Aug 2025 | 31 | 6 | 2 | 0 | OH |
| Jul 2025 | 31 | 14 | 4 | 0 | OH |
| Jun 2025 | 30 | 12 | 5 | 0 | OH |
| May 2025 | 31 | 10 | 0 | 0 | OH |
| Apr 2025 | 30 | 6 | 0 | 0 | OH |
| Mar 2025 | 31 | 8 | 1 | 0 | OH |
| Jan 2025 | 31 | 7 | 2 | 0 | OH |
| Nov 2024 | 40 | 4 | 0 | 0 | OH |
| Oct 2024 | 103 | 17 | 0 | 0 | OH |
| Sep 2024 | 36 | 9 | 0 | 0 | OH |
| Aug 2024 | 59 | 18 | 2 | 0 | F9,OH |
| Jul 2024 | 40 | 11 | 0 | 0 | F9,OH |
| Jun 2024 | 43 | 6 | 0 | 0 | F9,OH |
| May 2024 | 38 | 10 | 0 | 0 | F9,OH |
| Apr 2024 | 30 | 6 | 0 | 0 | OH |
| Mar 2024 | 35 | 6 | 0 | 0 | OH,YX |
| Jan 2024 | 31 | 8 | 2 | 1 | OH |
| Dec 2023 | 43 | 7 | 0 | 0 | OH |
| Nov 2023 | 30 | 3 | 0 | 0 | OH |
| Oct 2023 | 57 | 6 | 0 | 0 | OH,YX |
Cancellation Rate
2.5%
23 of 934 flights
Diversion Rate
0.3%
3 of 934 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →TYS - Knoxville
Full on-time, delay-cause, and seasonal performance for Knoxville, TN.
Destination airport →Compare the two airports
See PHL and TYS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–TYS.
Routes with a similar on-time rate
What the Data Says About PHL to TYS
The Philadelphia to Knoxville corridor (PHL to TYS) posts a 75.4% on-time rate on the lower edge of the average band, based on 1,730 tracked flights. Late flights run 80.9 minutes behind on average. 3 carriers cover the 554-mile route; over the last 24 months, 23 of 934 flights were cancelled (2.5%) and 0.3% diverted.
The monthly split is wide on this route: Oct 2023 posted the strongest performance at 89% on-time, while Aug 2024 came in at just 69% - a 20-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.