Route
ATW → ORD
Appleton International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 70.9%
- Less than 15 minutes late
- Cancelled
- 4.6%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,434
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 37%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 27%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.8% | 129 |
| October 2025 | 70.0% | 181 |
| November 2025 | 68.6% | 172 |
| December 2025 | 60.3% | 159 |
| January 2026 | 67.8% | 183 |
| February 2026 | 72.3% | 206 |
| March 2026 | 68.4% | 262 |
| April 2026 | 64.1% | 332 |
| May 2026 | 78.2% | 261 |
| June 2026 | 81.0% | 163 |
| July 2026 | 75.6% | 186 |
| August 2026 | 68.9% | 200 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 1,249 | 64.7% | 5.5% | 99 min |
| Envoy Air | 1,185 | 77.4% | 3.5% | 78 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5691
37% late · 216 flights
-
OO4659
34% late · 133 flights
-
OO4633
42% late · 82 flights
-
MQ3391
12% late · 76 flights
-
MQ3410
30% late · 76 flights
-
MQ3763
7% late · 76 flights
-
MQ3770
33% late · 69 flights
-
OO4642
39% late · 67 flights
-
OO5254
24% late · 67 flights
-
OO4667
51% late · 58 flights
-
OO4637
40% late · 48 flights
-
OO4645
30% late · 48 flights
-
OO4639
17% late · 47 flights
-
MQ3442
14% late · 44 flights
-
MQ3443
22% late · 44 flights
-
MQ3971
11% late · 44 flights
-
OO4757
22% late · 40 flights
-
MQ3475
19% late · 36 flights
-
MQ3637
20% late · 36 flights
-
MQ3684
9% late · 33 flights
-
MQ3717
27% late · 33 flights
-
MQ3361
32% late · 32 flights
-
OO4644
21% late · 32 flights
-
OO4670
52% late · 32 flights
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