PlainFlights

TYS vs SFB - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
TYS

Knoxville, TN

Knoxville, Tennessee

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Airport B
SFB

Sanford, FL

Sanford, Florida

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric TYS SFB
On-Time Rate (higher is better) 81.9% 74.1%
Avg Delay (lower is better) 82.6 min 82.6 min
Delay Rate (lower is better) 18.1% 25.9%
Cancellation Rate (lower is better) 1.14% 1.99%
Total Flights 157,494 113,898
Delayed Flights 28,457 29,554
Cancelled Flights 1,788 2,266
Top Delay Cause Late Aircraft Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

TYS - Knoxville, TN

Late Aircraft 39.2%
Carrier 35.9%
NAS 17.3%
Weather 7.5%
Security 0.1%

SFB - Sanford, FL

Carrier 35.6%
Late Aircraft 35.5%
NAS 15.6%
Weather 13.1%
Security 0.2%

Top Routes

Top routes from TYS

Route Flights On-Time
ATL → TYS
Knoxville
14,336 86.7%
TYS → ATL
Atlanta
14,331 91.2%
CLT → TYS
Knoxville
11,170 79.5%
TYS → CLT
Charlotte
10,914 82.5%
DFW → TYS
Knoxville
8,303 75.1%
TYS → DFW
Dallas/Fort Worth
8,299 79.2%

Top routes from SFB

Route Flights On-Time
SFB → ABE
Allentown/Bethlehem/Easton
3,302 76.3%
ABE → SFB
Sanford
3,299 82.2%
SFB → TYS
Knoxville
2,745 68.9%
TYS → SFB
Sanford
2,743 75.3%
SFB → AVL
Asheville
2,648 71.5%
AVL → SFB
Sanford
2,642 73.9%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.