According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Eau Claire, WI (EAU) ranks #325 of 382 tracked US airports by total flights (most flights = #1). Eau Claire, WI posts above-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
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EAU on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes: 40,571.
Late Aircraft35.4% (14,375 min)
Carrier42.7% (17,328 min)
NAS (National Aviation System)12.2% (4,960 min)
Weather9.5% (3,852 min)
Security0.1% (56 min)
EAU - seasonal on-time pattern
Best: April (96.2%) · worst: December (90.8%)
EAU - on-time rate by year
2020–2025, year-over-year trend.
EAU - taxi-out and taxi-in (monthly)
Average taxi-out 16.9 min · taxi-in 4.1 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
EAU's average taxi-out (16.9 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 10.2 min (May 2022) to 29.1 min (December 2025).
Two PlainFlights-derived comparison paths for Eau Claire, WI, both outside Wisconsin so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Eau Claire, WI is the delay mix: Carrier owns 42.7% of 40,571 delay minutes across 5,152 BTS flights. The on-time headline is 84.5% (5.5 pts above the 79% national average), with 796 delayed and 90 cancelled (1.75%).
Delay minutes concentrate in Carrier (35.4% late-aircraft, 42.7% carrier, 12.2% NAS, 9.5% weather, 0.1% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, EAU is strongest in April (96.2% on-time) and weakest in December (90.8%), a 5.4-point swing. Volume peaks in January (~120 flights/month). The busiest connecting route is to ORD (Chicago) at 85.9% on-time. Field definitions: on-time performance explained.
Eau Claire, WI vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
84.5%Top 38%higher than 62% of 382 airports
Eau Claire, WI
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
EAU's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.
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 →
Gate-to-wheels taxi-out averages 16.9 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Eau Claire, WI's on-time rate?
Eau Claire, WI (EAU) has a 84.5% on-time rate across 5,152 BTS-tracked flights (2020-2025), 5.5 pts above the 79% national flight-weighted average; that places it in roughly the above-median on-time performance.
How does EAU rank among U.S. airports by traffic volume?
Eau Claire, WI ranks #325 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at Eau Claire, WI?
Carrier is the leading delay cause at EAU, accounting for 42.7% of delay minutes. The full breakdown: 35.4% late-aircraft, 42.7% carrier, 12.2% NAS/air-traffic-control, 9.5% weather, and 0.1% security.
When is the best time to fly through Eau Claire, WI?
April is historically EAU's strongest month at 96.2% on-time, while December is the weakest at 90.8%, a 5.4-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights