Route · TYS → ORD · 2020–2025 BTS data
Knoxville to Chicago
The TYS–ORD corridor (Knoxville, TN → Chicago, IL) runs ahead of the national average, served by 30 carriers across roughly 475 miles.
Data updated 2026-06-13
- 79.8%
- On-time
- +0.8 pts
- vs US avg
- 95 min
- Delay when late
- 7,697
- Flights
Cancelled
1.9%
Best Month
Oct 2024 92%
Worst Month
Dec 2025 48%
Distance
475 mi
Carriers
30
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 130 | 67 | 7 | 1 | YX,OH,MQ,OO |
| Nov 2025 | 176 | 62 | 13 | 0 | OO,MQ,OH,YX |
| Oct 2025 | 234 | 79 | 0 | 0 | OH,OO,UA,YX,MQ |
| Sep 2025 | 192 | 48 | 2 | 1 | UA,OH,OO,YX,MQ |
| Aug 2025 | 227 | 58 | 7 | 2 | OO,YX,MQ,OH,UA |
| Jul 2025 | 245 | 90 | 9 | 2 | OH,OO,UA,YX |
| Jun 2025 | 222 | 68 | 3 | 2 | OH,OO,UA,YX |
| May 2025 | 101 | 20 | 1 | 0 | OO,UA,YX |
| Apr 2025 | 91 | 18 | 3 | 0 | MQ,OO,UA,YX |
| Mar 2025 | 126 | 30 | 0 | 0 | YX,OO,UA,MQ |
| Feb 2025 | 93 | 16 | 0 | 0 | OO,UA,YX,MQ |
| Jan 2025 | 121 | 24 | 3 | 0 | YX,OO,UA,MQ |
| Dec 2024 | 151 | 32 | 0 | 0 | MQ,OO,UA,YX |
| Nov 2024 | 134 | 12 | 0 | 0 | OO,YX,UA,MQ |
| Oct 2024 | 237 | 19 | 0 | 0 | UA,MQ,OO,YX |
| Sep 2024 | 206 | 29 | 1 | 0 | YX,OO,UA,MQ |
| Aug 2024 | 171 | 44 | 1 | 1 | MQ,YX,OO,UA |
| Jul 2024 | 176 | 31 | 4 | 0 | MQ,OO,YX |
| Jun 2024 | 171 | 38 | 4 | 0 | MQ,OO |
| May 2024 | 151 | 46 | 1 | 2 | MQ,OO,UA |
| Apr 2024 | 150 | 36 | 2 | 2 | MQ,OO,YX |
| Mar 2024 | 91 | 13 | 0 | 1 | MQ,OO,YX |
| Feb 2024 | 95 | 13 | 0 | 0 | MQ,OO,YX |
| Jan 2024 | 86 | 23 | 12 | 0 | YX,OO |
Cancellation Rate
1.9%
73 of 3,777 flights
Diversion Rate
0.4%
14 of 3,777 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 →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See TYS and ORD 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–ORD.
Routes with a similar on-time rate
What the Data Says About TYS to ORD
7,697 tracked flights put the TYS to ORD pairing (Knoxville to Chicago) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 94.6 minutes on average. Across the 475-mile route and its 30 carriers, the trailing 24 months show 1.9% cancelled and 0.4% diverted (3,777 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 48% - a 44-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.