Airport · EAU · Eau Claire, Wisconsin
Eau Claire, WI
Eau Claire, WI posts above-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 5,152 flights (2020–2025); its biggest delay driver is carrier.
Data updated 2026-06-13
- 84.5%
- On-time
- Top 38%
- on-time, US airports
- 109 min
- Delay when late
- 1.75%
- Cancelled
Key Performance Metrics
Total Flights
5,152
Best Month
Apr 96.2%
Worst Month
Dec 90.8%
Delayed
796
Cancelled
90
EAU on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Where EAU sits among all 382 tracked airports
EAU's 84.5% on-time rate falls in the 80-85% band, the 192-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows EAU is marked in the 80-85% band.
Delay Cause Breakdown
Top delay cause: Carrier. Total delay minutes: 40,571.
EAU - seasonal on-time pattern
Best: April (96.2%) · worst: December (90.8%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: April (96.2% on-time). Most delays: December (90.8% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 104 | 19 | 4 | 90.8% |
| November | 99 | 15 | 1 | 94% |
| October | 105 | 14 | 1 | 93.3% |
| September | 100 | 9 | 1 | 95.5% |
| August | 105 | 18 | 3 | 93.5% |
| July | 105 | 17 | 1 | 93.6% |
| June | 98 | 22 | 1 | 92.1% |
| May | 118 | 14 | 2 | 94.9% |
| April | 112 | 10 | 1 | 96.2% |
| March | 115 | 18 | 2 | 94.3% |
| February | 109 | 23 | 2 | 91.1% |
| January | 120 | 23 | 5 | 91.6% |
Year-Over-Year Performance
Annual flight volume and on-time trends at EAU.
EAU - on-time rate by year
2020–2025, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2025 | 1,254 | 109 | 17 | 91.3% |
| 2024 | 63 | 7 | 2 | 88.9% |
| 2022 | 977 | 60 | 15 | 93.9% |
| 2021 | 1,452 | 101 | 33 | 93% |
| 2020 | 1,406 | 62 | 23 | 95.6% |
Cancellation & Diversion Analysis
Flight disruption statistics for Eau Claire, WI.
Cancellation Rate
1.75%
90 of 5,152 flights
Diversion Rate
0.06%
3 of 5,152 flights
Delay Rate
15.5%
796 of 5,152 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2025 | 110 | 16 | 24 | 5 | 0 |
| Nov 2025 | 100 | 11 | 15 | 3 | 1 |
| Oct 2025 | 108 | 9 | 12 | 0 | 0 |
| Sep 2025 | 100 | 5 | 7 | 1 | 0 |
| Aug 2025 | 108 | 7 | 17 | 2 | 1 |
| Jul 2025 | 104 | 12 | 22 | 0 | 0 |
| Jun 2025 | 104 | 11 | 21 | 0 | 0 |
| May 2025 | 108 | 2 | 11 | 0 | 0 |
| Apr 2025 | 102 | 5 | 12 | 2 | 0 |
| Mar 2025 | 106 | 8 | 17 | 2 | 0 |
| Feb 2025 | 96 | 10 | 15 | 1 | 0 |
| Jan 2025 | 108 | 13 | 16 | 1 | 0 |
| Dec 2024 | 63 | 7 | 8 | 2 | 0 |
| Nov 2022 | 59 | 4 | 6 | 0 | 0 |
| Oct 2022 | 62 | 1 | 0 | 0 | 0 |
| Sep 2022 | 60 | 2 | 2 | 0 | 0 |
| Aug 2022 | 62 | 2 | 5 | 1 | 0 |
| Jul 2022 | 78 | 4 | 1 | 1 | 0 |
| Jun 2022 | 104 | 7 | 10 | 2 | 0 |
| May 2022 | 106 | 8 | 12 | 0 | 0 |
| Apr 2022 | 104 | 4 | 7 | 1 | 0 |
| Mar 2022 | 106 | 6 | 8 | 0 | 0 |
| Feb 2022 | 112 | 8 | 10 | 3 | 0 |
| Jan 2022 | 124 | 14 | 15 | 7 | 0 |
Top Routes from EAU
Busiest routes to and from Eau Claire, WI.
| Route | Flights | On-Time | Distance |
|---|---|---|---|
| EAU (Eau Claire) → ORD (Chicago) | 2,546 | 85.9% | 269 mi |
| ORD (Chicago) → EAU (Eau Claire) | 2,516 | 82.2% | 269 mi |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Eau Claire, WI's 84.5%.
Other Airports in Wisconsin
Compare performance with other Wisconsin airports.
Milwaukee, WI
Milwaukee · 299,952 flights
Madison, WI
Madison · 127,239 flights
Appleton, WI
Appleton · 63,493 flights
Green Bay, WI
Green Bay · 48,314 flights
Mosinee, WI
Mosinee · 16,116 flights
La Crosse, WI
La Crosse · 13,386 flights
Rhinelander, WI
Rhinelander · 9,618 flights
Keep exploring
More flight data around Eau Claire, WI.
Wisconsin flight data
Statewide on-time and delay aggregates, plus every reporting airport in Wisconsin.
View WI data →Airport rankings
See where EAU sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put EAU head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About EAU
Eau Claire, WI in Eau Claire, Wisconsin handled 5,152 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.5% on-time departure rate. Of those flights, 796 experienced delays, 90 were cancelled, and 3 were diverted. The cancellation rate works out to 1.75%, the diversion rate to 0.06%, and the average delay when departures run late is 108.9 minutes. These figures are the baseline for comparing EAU against other airports in the same state and nationally.
Breaking down what drives delays at EAU, Carrier leads the pack. Carrier accounts for 42.7% of total delay minutes, followed by Late Aircraft at 35.4% and NAS (National Aviation System) at 12.2%. Weather contributes 9.5% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, April runs the cleanest at EAU with a 96.2% on-time rate, while December is the roughest at 90.8% - a 5-point swing between best and worst month. Volume peaks in January, when average flights hit 120. The busiest route connecting EAU is to ORD (Chicago), with 2,546 flights at a 85.9% on-time rate. Combine these numbers - 84.5% on-time, 108.9-minute average delay, 1.75% cancellation rate, and you have a concrete picture of departure reliability at Eau Claire, WI.
Frequently Asked Questions
What is the on-time performance rate at Eau Claire, WI (EAU)? ▼
What is the most common cause of delays at EAU? ▼
What is the average delay time at EAU? ▼
What is the best month to fly from EAU? ▼
What is the worst month for delays at EAU? ▼
How many routes operate from EAU? ▼
What is the cancellation rate at EAU? ▼
Flight Guides
Data-driven guides to help you understand airport and flight performance.
Explore PlainFlights
Read our methodology - how this data is sourced, computed, and verified.
Using EAU's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Check the busiest route from EAU before you book a connection. See top routes
- Travel in April rather than December if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
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.