OnTimeRoutes
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University of Illinois Willard Airport (CMI) delays & on-time performance

Champaign/Urbana, Illinois · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026

Live status todayFAA update Oct 11, 4:56 AM EDTAll US airport delays now →

No FAA-reported ground stops or delays at CMI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.

On-time arrivals
80%
arrived < 15 min late
Cancelled
3.0%
53 flights
Avg arrival delay
19 min
93 min when late
Departed on time
82%
avg taxi-out 14 min

Figures cover 1,785 departures from CMI; on-time is measured at arrival. Arrivals into CMI were on time 78% of the time.

Key facts

  • Flights departing University of Illinois Willard Airport (CMI) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
  • 3% were cancelled, and 9% arrived an hour or more late.
  • Departures scheduled around 7am did best (89% on time); around 7pm did worst (51%).
  • The largest source of delay minutes was late-arriving aircraft (41%).

Most delayed routes from CMI

Lowest on-time arrival rates among regularly flown routes.

All 2 routes from CMI →

Most reliable routes from CMI

Highest on-time arrival rates among regularly flown routes.

Best airline at CMI

Departures from this airport, ranked by on-time arrival.

AirlineOn timeCancelledAvg delayRoutesFlights
Envoy Air80%3.0%19 min21,785

Best time to fly out of CMI

On-time arrival rate by scheduled departure hour (local time).

  • 6am87%449 flts
  • 7am89%227 flts
  • 9am76%47 flts
  • 11am79%258 flts
  • 1pm70%32 flts
  • 2pm86%191 flts
  • 3pm78%268 flts
  • 4pm67%37 flts
  • 6pm67%177 flts
  • 7pm51%63 flts

Monthly trend

60%80%100%July 2025: 77.2% on time, 3.1% cancelledJul ’25August 2025: 78.9% on time, 2.1% cancelledAug ’25September 2025: 87.3% on time, 0.8% cancelledSep ’25October 2025: 75.8% on time, 0.0% cancelledOct ’25November 2025: 82.0% on time, 8.0% cancelledNov ’25December 2025: 72.7% on time, 5.7% cancelledDec ’25January 2026: 80.0% on time, 2.7% cancelledJan ’26February 2026: 84.6% on time, 0.0% cancelledFeb ’26March 2026: 79.4% on time, 3.4% cancelledMar ’26April 2026: 80.7% on time, 4.1% cancelledApr ’26May 2026: 81.6% on time, 2.0% cancelledMay ’26June 2026: 76.3% on time, 4.1% cancelledJun ’26July 2026: 83.8% on time, 2.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why departures were late

  • Late-arriving aircraft41%
  • Airline (crew, maintenance, cleaning, fueling)30%
  • Air traffic control & airport congestion25%
  • Extreme weather4%
  • Security0%

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.