Route · SFB → TYS · 2020–2025 BTS data
Sanford to Knoxville
The SFB–TYS corridor (Sanford, FL → Knoxville, TN) runs behind the national average, served by 1 carrier across roughly 511 miles.
Data updated 2026-06-13
- 68.9%
- On-time
- -10.1 pts
- vs US avg
- 70 min
- Delay when late
- 2,745
- Flights
Cancelled
1.2%
Best Month
Oct 2024 80%
Worst Month
Jun 2025 40%
Distance
511 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 67 | 24 | 0 | 0 | G4 |
| Nov 2025 | 60 | 19 | 0 | 2 | G4 |
| Oct 2025 | 57 | 19 | 0 | 0 | G4 |
| Sep 2025 | 47 | 5 | 0 | 0 | G4 |
| Aug 2025 | 52 | 22 | 0 | 0 | G4 |
| Jul 2025 | 53 | 30 | 0 | 0 | G4 |
| Jun 2025 | 52 | 31 | 0 | 0 | G4 |
| May 2025 | 51 | 19 | 0 | 0 | G4 |
| Apr 2025 | 49 | 16 | 0 | 0 | G4 |
| Mar 2025 | 62 | 14 | 1 | 0 | G4 |
| Feb 2025 | 47 | 13 | 0 | 0 | G4 |
| Jan 2025 | 53 | 16 | 0 | 0 | G4 |
| Dec 2024 | 67 | 17 | 0 | 0 | G4 |
| Nov 2024 | 50 | 14 | 0 | 0 | G4 |
| Oct 2024 | 55 | 11 | 5 | 0 | G4 |
| Sep 2024 | 48 | 15 | 0 | 0 | G4 |
| Aug 2024 | 47 | 12 | 2 | 0 | G4 |
| Jul 2024 | 63 | 26 | 3 | 0 | G4 |
| Jun 2024 | 58 | 19 | 0 | 0 | G4 |
| May 2024 | 49 | 12 | 0 | 0 | G4 |
| Apr 2024 | 44 | 8 | 1 | 0 | G4 |
| Mar 2024 | 52 | 13 | 1 | 0 | G4 |
| Feb 2024 | 46 | 7 | 0 | 0 | G4 |
| Jan 2024 | 51 | 11 | 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.
SFB - Sanford
Full on-time, delay-cause, and seasonal performance for Sanford, FL.
Origin airport →TYS - Knoxville
Full on-time, delay-cause, and seasonal performance for Knoxville, TN.
Destination airport →Compare the two airports
See SFB 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 SFB–TYS.
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Routes of a similar trip length
What the Data Says About SFB to TYS
On-time performance on the SFB to TYS pairing (Sanford to Knoxville) trails a chunk of the network: 68.9% of 2,745 tracked flights arrived on schedule, with a 69.6-minute average delay on the ones that ran late. The route spans about 511 miles across 1 carrier. Cancellations over the trailing 24 months hit 1.2% (15 of 1,280 flights), with 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 80% on-time, while Jun 2025 came in at just 40% - a 40-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.