Route · ORD → TYS · 2020–2025 BTS data
Chicago to Knoxville
The ORD–TYS corridor (Chicago, IL → Knoxville, TN) runs behind the national average, served by 29 carriers across roughly 475 miles.
Data updated 2026-06-13
- 77.6%
- On-time
- -1.4 pts
- vs US avg
- 82 min
- Delay when late
- 7,733
- Flights
Cancelled
1.7%
Best Month
Feb 2024 88%
Worst Month
Dec 2025 55%
Distance
475 mi
Carriers
29
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 129 | 58 | 8 | 0 | YX,OH,MQ,OO |
| Nov 2025 | 177 | 61 | 14 | 3 | OO,MQ,OH,YX |
| Oct 2025 | 233 | 68 | 1 | 0 | OH,OO,UA,YX,MQ |
| Sep 2025 | 191 | 38 | 2 | 0 | UA,OH,OO,YX,MQ |
| Aug 2025 | 227 | 63 | 5 | 0 | OO,YX,MQ,OH,UA |
| Jul 2025 | 245 | 86 | 9 | 0 | OH,OO,UA,YX |
| Jun 2025 | 222 | 83 | 2 | 1 | OH,OO,UA,YX |
| May 2025 | 101 | 25 | 1 | 0 | OO,UA,YX |
| Apr 2025 | 91 | 20 | 1 | 0 | MQ,OO,UA,YX |
| Mar 2025 | 125 | 45 | 0 | 0 | YX,OO,UA,MQ |
| Feb 2025 | 94 | 21 | 0 | 0 | OO,UA,YX,MQ |
| Jan 2025 | 121 | 26 | 3 | 0 | YX,OO,UA,MQ |
| Dec 2024 | 152 | 31 | 0 | 0 | MQ,OO,UA,YX |
| Nov 2024 | 133 | 17 | 0 | 0 | OO,YX,UA,MQ |
| Oct 2024 | 237 | 41 | 0 | 0 | UA,MQ,OO,YX |
| Sep 2024 | 206 | 33 | 1 | 1 | YX,OO,UA,MQ |
| Aug 2024 | 171 | 44 | 1 | 0 | MQ,YX,OO,UA |
| Jul 2024 | 176 | 52 | 4 | 0 | MQ,OO,YX |
| Jun 2024 | 171 | 45 | 2 | 0 | MQ,OO |
| May 2024 | 153 | 55 | 1 | 1 | MQ,OO,UA |
| Apr 2024 | 150 | 37 | 1 | 0 | MQ,OO,YX |
| Mar 2024 | 91 | 14 | 0 | 0 | MQ,OO,YX |
| Feb 2024 | 95 | 11 | 0 | 0 | MQ,OO,YX |
| Jan 2024 | 86 | 25 | 10 | 2 | YX,OO |
Cancellation Rate
1.7%
66 of 3,777 flights
Diversion Rate
0.2%
8 of 3,777 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →TYS - Knoxville
Full on-time, delay-cause, and seasonal performance for Knoxville, TN.
Destination airport →Compare the two airports
See ORD 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 ORD–TYS.
Routes with a similar on-time rate
What the Data Says About ORD to TYS
The Chicago to Knoxville corridor (ORD to TYS) posts a 77.6% on-time rate on the lower edge of the average band, based on 7,733 tracked flights. Late flights run 81.8 minutes behind on average. 29 carriers cover the 475-mile route; over the last 24 months, 66 of 3,777 flights were cancelled (1.7%) and 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 88% on-time, while Dec 2025 came in at just 55% - a 33-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.