Best Time to Fly CMI to DFW: On-Time Stats by Hour & Airline
University of Illinois/Willard → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.3% of Champaign/Urbana (CMI) to Dallas/Fort Worth (DFW) flights arrived on time (719 scheduled flights). That is 8.7 points above the national average of 77.6%.
Envoy Air was the only reporting airline with regular flights on this route.
February has been the best month (92% on time) and Monday the weakest day of the week (80%).
2.1% of flights were cancelled, versus 1.8% nationally.
CMI to DFW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 86.3% | 112 min | 2.1% | 719 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CMI to DFW
On-time arrival % by scheduled departure hour (local time), 1,442 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 27 | |
| 6am–7am | 85.0% | 1.0% | 394 |
| 7am–8am | 86.2% | 1.0% | 294 |
| 2pm–3pm | 84.3% | 0.6% | 174 |
| 3pm–4pm | 82.1% | 2.5% | 553 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CMI to DFW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.4% | -4.3 pts | 3.4% | 59 |
| Summer peak (Jun 15 - Aug 15) | 83.7% | -0.9 pts | 0.8% | 241 |
| All other days | 84.6% | — | 1.5% | 1,116 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).