Route · TYS → SFB · 2020–2025 BTS data
Knoxville to Sanford
The TYS–SFB corridor (Knoxville, TN → Sanford, FL) runs behind the national average, served by 1 carrier across roughly 511 miles.
Data updated 2026-06-13
- 75.3%
- On-time
- -3.7 pts
- vs US avg
- 82 min
- Delay when late
- 2,743
- Flights
Cancelled
1.2%
Best Month
Mar 2025 82%
Worst Month
Jun 2025 44%
Distance
511 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 67 | 17 | 0 | 0 | G4 |
| Nov 2025 | 60 | 15 | 0 | 0 | G4 |
| Oct 2025 | 57 | 18 | 0 | 0 | G4 |
| Sep 2025 | 47 | 5 | 0 | 0 | G4 |
| Aug 2025 | 52 | 18 | 0 | 0 | G4 |
| Jul 2025 | 53 | 27 | 0 | 0 | G4 |
| Jun 2025 | 52 | 29 | 0 | 1 | G4 |
| May 2025 | 51 | 18 | 0 | 0 | G4 |
| Apr 2025 | 49 | 8 | 0 | 0 | G4 |
| Mar 2025 | 62 | 11 | 1 | 0 | G4 |
| Feb 2025 | 47 | 13 | 0 | 0 | G4 |
| Jan 2025 | 53 | 12 | 0 | 1 | G4 |
| Dec 2024 | 67 | 16 | 0 | 0 | G4 |
| Nov 2024 | 50 | 11 | 0 | 0 | G4 |
| Oct 2024 | 55 | 10 | 5 | 0 | G4 |
| Sep 2024 | 48 | 14 | 0 | 0 | G4 |
| Aug 2024 | 47 | 10 | 2 | 0 | G4 |
| Jul 2024 | 63 | 25 | 3 | 0 | G4 |
| Jun 2024 | 58 | 13 | 0 | 0 | G4 |
| May 2024 | 49 | 16 | 0 | 0 | G4 |
| Apr 2024 | 44 | 5 | 1 | 0 | G4 |
| Mar 2024 | 52 | 12 | 1 | 0 | G4 |
| Feb 2024 | 46 | 6 | 0 | 0 | G4 |
| Jan 2024 | 51 | 10 | 2 | 0 | G4 |
Cancellation Rate
1.2%
15 of 1,280 flights
Diversion Rate
0.2%
2 of 1,280 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
TYS - Knoxville
Full on-time, delay-cause, and seasonal performance for Knoxville, TN.
Origin airport →SFB - Sanford
Full on-time, delay-cause, and seasonal performance for Sanford, FL.
Destination airport →Compare the two airports
See TYS and SFB side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to TYS–SFB.
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What the Data Says About TYS to SFB
The Knoxville to Sanford corridor (TYS to SFB) posts a 75.3% on-time rate on the lower edge of the average band, based on 2,743 tracked flights. Late flights run 82.2 minutes behind on average. 1 carrier cover the 511-mile route; over the last 24 months, 15 of 1,280 flights were cancelled (1.2%) and 0.2% diverted.
The monthly split is wide on this route: Mar 2025 posted the strongest performance at 82% on-time, while Jun 2025 came in at just 44% - a 38-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.