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Airport · CMI · Champaign/Urbana, Illinois

Champaign/Urbana, IL

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Champaign/Urbana, IL (CMI) ranks #216 of 382 tracked US airports by total flights (most flights = #1). Champaign/Urbana, IL posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.

Data updated 2026-06-13

84.8%
On-time
Top 35%
on-time, US airports
80 min
Delay when late
1.60%
Cancelled
#216 of 382
Corpus placement
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CMI on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%84.8%

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 113,880.

Late Aircraft 37.8% (43,050 min)
Carrier 31.8% (36,262 min)
NAS (National Aviation System) 19.6% (22,273 min)
Weather 10.8% (12,276 min)
Security 0.0% (19 min)

CMI - seasonal on-time pattern

Best: April (95.2%) · worst: June (91.6%)

91%92%93%94%95%96% JanFebMarAprMayJunJulAugSepOctNovDec 91.8%

CMI - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96% 202020212022202320242025 94.9% 91.4% ▼ -3.7%

CMI - taxi-out and taxi-in (monthly)

Average taxi-out 13.2 min · taxi-in 5.5 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

10 min12 min14 min16 min18 min Jan 24Dec 25 14.5 min 15.2 min ▲ +4.8%

CMI's average taxi-out (13.2 min) stays shorter than the recent U.S. airport mean (~16.4 min). Even the heaviest month (November 2025, 16.1 min) is milder than many hubs' typical book.

Cancellation & Diversion Analysis

Flight disruption statistics for Champaign/Urbana, IL.

Cancellation Rate

1.60%

286 of 17,865 flights

Diversion Rate

0.11%

20 of 17,865 flights

Delay Rate

15.2%

2,707 of 17,865 flights

Top Routes from CMI

Busiest routes to and from Champaign/Urbana, IL.

Filter routes

Route Flights On-Time Distance
CMI (Champaign/Urbana) → ORD (Chicago) 4,377 85.1% 135 mi
ORD (Chicago) → CMI (Champaign/Urbana) 4,377 81.4% 135 mi
CMI (Champaign/Urbana) → DFW (Dallas/Fort Worth) 4,102 83.8% 692 mi
DFW (Dallas/Fort Worth) → CMI (Champaign/Urbana) 4,101 84% 692 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Champaign/Urbana, IL, both outside Illinois so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 84.8%).

Detroit, MI

Detroit, MI

84.8% on-time 1,488,949 flights

Minot, ND

Minot, ND

84.8% on-time 29,078 flights

Garden City, KS

Garden City, KS

84.8% on-time 8,568 flights

Kahului, HI

Kahului, HI

84.7% on-time 304,696 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 17,865).

Helena, MT

Helena, MT

17,569 flights 89.2% on-time

Kalamazoo, MI

Kalamazoo, MI

17,506 flights 87.1% on-time

Williston, ND

Williston, ND

18,596 flights 82.4% on-time

Nantucket, MA

Nantucket, MA

17,080 flights 80.5% on-time

Other Airports in Illinois

Compare performance with other Illinois airports.

ORD 81%

Chicago, IL

Chicago · 3,114,086 flights
MDW 78.4%

Chicago, IL

Chicago · 880,912 flights
MLI 83.4%

Moline, IL

Moline · 45,407 flights
PIA 80.7%

Peoria, IL

Peoria · 44,104 flights
BMI 85.2%

Bloomington/Normal, IL

Bloomington/Normal · 25,097 flights
BLV 76.4%

Belleville, IL

Belleville · 14,072 flights
RFD 78.9%

Rockford, IL

Rockford · 9,512 flights
DEC 84.5%

Decatur, IL

Decatur · 9,084 flights

CMI delay-share reading

The standout signal at Champaign/Urbana, IL is the delay mix: Late Aircraft owns 37.8% of 113,880 delay minutes across 17,865 BTS flights. The on-time headline is 84.8% (5.8 pts above the 79% national average), with 2,707 delayed and 286 cancelled (1.60%).

Delay minutes concentrate in Late Aircraft (37.8% late-aircraft, 31.8% carrier, 19.6% NAS, 10.8% weather, 0.0% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.

On the multi-year calendar, CMI is strongest in April (95.2% on-time) and weakest in June (91.6%), a 3.6-point swing. Volume peaks in January (~276 flights/month). The busiest connecting route is to ORD (Chicago) at 85.1% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Illinois: Illinois flight data.

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using CMI's data

CMI's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.

  • Check the busiest route from CMI before you book a connection. See top routes
  • Travel in April rather than June if your dates are flexible. Seasonal patterns
  • Gate-to-wheels taxi-out averages 13.2 min here; check the monthly series before a tight connection. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.