Route · TYS → ORD · 2020–2025 BTS data
Knoxville to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TYS to ORD (Knoxville to Chicago) ranks #1633 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.8%
- On-time
- +0.8 pts
- vs US avg
- 95 min
- Delay when late
- 7,697
- Flights
- #1633 of 4927
- Corpus placement
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 |
TYS–ORD seasonal on-time pattern
Best: April (85.7%) · weakest: December (71.0%)
Strongest calendar month
April
85.7% on-time · ~105 flights/mo
Busiest calendar month
August
~147 flights/mo avg
Weakest calendar month
December
71.0% on-time · ~118 flights/mo
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.
TYS on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See TYS and ORD side by side on delays, cancellations, and reliability.
Compare TYS vs ORDOrigin-hub reliability standing
Mid-pack among TYS departures
From TYS, this corridor sits with 6 other 75–85% on-time routes out of 14 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 2 below 75%). Destination: Chicago · fleet on-time rank #3245 of 4927.
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.
On the multi-year calendar, TYS–ORD peaks in April at 85.7% on-time while August carries the heaviest traffic (~147 flights per month) ; the softest month is December at 71.0%, a 14.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does TYS to ORD rank among US routes by traffic? ▼
How often are flights delayed from TYS to ORD? ▼
What is the cancellation rate for TYS to ORD? ▼
How far is the flight from TYS to ORD? ▼
When is the best time to fly from TYS to ORD? ▼
Airports on this route
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.
Using TYS–ORD data
TYS–ORD is mid-pack at 79.8% on-time; month and carrier mix move more than the corridor headline.
- Compare TYS and ORD airport profiles: delay causes and top routes differ even on the same corridor. TYS airport
- If your dates flex, April (85.7% on-time) beats December (71.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.8% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.