FlightRecord

Chicago (ORD) to Appleton (ATW): On-Time Performance

Data through May 2026

Delays are only half the story on ORD–ATW: 3% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 71% land on time, below the national average of 78%.

On-time
71%
arrived <15 min late
Avg delay
24 min
completed flights
Cancelled
3.0%
Flights/day
7.2
last 12 months
Duration
1h 11m
scheduled
Distance
160 mi

Best airline from ORD to ATW

2 airlines flew this route regularly between 2024-06 and 2026-05.

AirlineOn-timeAvg delayCancelledFlights
Envoy Airmost reliable75%16 min2.9%1,434
SkyWest Airlines69%27 min3.0%3,237

Monthly on-time trend

Monthly on-time percentage for ORD to ATW flights50%75%100%June 2024: 68% on-time (146 flights)68Jun 2024July 2024: 73% on-time (142 flights)73August 2024: 67% on-time (141 flights)67September 2024: 66% on-time (150 flights)66Sep 2024October 2024: 81% on-time (154 flights)81November 2024: 75% on-time (173 flights)75December 2024: 69% on-time (176 flights)69Dec 2024January 2025: 73% on-time (154 flights)73February 2025: 69% on-time (150 flights)69March 2025: 61% on-time (182 flights)61Mar 2025April 2025: 82% on-time (228 flights)82May 2025: 81% on-time (257 flights)81June 2025: 66% on-time (268 flights)66Jun 2025July 2025: 62% on-time (271 flights)62August 2025: 73% on-time (194 flights)73September 2025: 86% on-time (130 flights)86Sep 2025October 2025: 77% on-time (181 flights)77November 2025: 73% on-time (172 flights)73December 2025: 51% on-time (159 flights)51Dec 2025January 2026: 66% on-time (182 flights)66February 2026: 71% on-time (208 flights)71March 2026: 69% on-time (263 flights)69Mar 2026April 2026: 63% on-time (330 flights)63May 2026: 77% on-time (260 flights)77

Best time to fly from ORD to ATW

Aim for departures around 8 a.m. (85% on-time); avoid 6 p.m. departures (57%).

On-time percentage by scheduled departure hour, ORD to ATW7 a.m.: 71% on-time (54 flights)78 a.m.: 85% on-time (298 flights)89 a.m.: 80% on-time (134 flights)910 a.m.: 70% on-time (437 flights)1011 a.m.: 69% on-time (262 flights)1112 p.m.: 78% on-time (268 flights)121 p.m.: 72% on-time (351 flights)132 p.m.: 75% on-time (173 flights)143 p.m.: 70% on-time (804 flights)154 p.m.: 68% on-time (256 flights)165 p.m.: 66% on-time (434 flights)176 p.m.: 57% on-time (181 flights)187 p.m.: 69% on-time (308 flights)198 p.m.: 65% on-time (325 flights)209 p.m.: 81% on-time (74 flights)2110 p.m.: 70% on-time (307 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday69%24 min
Tuesdaybest75%23 min
Wednesday70%20 min
Thursday72%24 min
Friday67%25 min
Saturday75%20 min
Sunday67%31 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft37%
  • Airline operations35%
  • National airspace system17%
  • Weather11%

Frequently asked questions

How often are flights from ORD to ATW delayed?
29% of ORD–ATW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 24 minutes.
Which airline is most reliable from ORD to ATW?
Envoy Air has the best on-time record on this route at 75%, based on 1,434 flights. 2 airlines flew ORD–ATW frequently enough to compare in this period.
What is the best time of day to fly from ORD to ATW?
Departures around 8 a.m. have the best record (85% on-time), while departures around 6 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from ORD to ATW?
The scheduled ORD–ATW flight time averages 1h 11m over 160 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
How often are ORD to ATW flights cancelled?
3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
What is the worst month to fly from ORD to ATW?
December 2025 was the roughest month in this dataset, with only 51% of arrivals on time. The best was September 2025 at 86%. If your dates are flexible, that 35-point gap is worth planning around.

Based on 4,671 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.