According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Duluth, MN (DLH) ranks #194 of 382 tracked US airports by total flights (most flights = #1). Duluth, MN posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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DLH 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: 161,688.
Late Aircraft19.2% (31,081 min)
Carrier51.6% (83,392 min)
NAS (National Aviation System)11.1% (18,018 min)
Weather17.9% (28,873 min)
Security0.2% (324 min)
DLH - seasonal on-time pattern
Best: April (95.7%) · worst: December (89.1%)
DLH - on-time rate by year
2020–2025, year-over-year trend.
DLH - taxi-out and taxi-in (monthly)
Average taxi-out 19.8 min · taxi-in 5.9 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
DLH's average taxi-out (19.8 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is December 2024 at 27.9 min; the lightest is October 2024 at 14.7 min.
Two PlainFlights-derived comparison paths for Duluth, MN, both outside Minnesota 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 Duluth, MN is the delay mix: Carrier owns 51.6% of 161,688 delay minutes across 23,374 BTS flights. The on-time headline is 85.2% (6.2 pts above the 79% national average), with 3,461 delayed and 269 cancelled (1.15%).
Delay minutes concentrate in Carrier (19.2% late-aircraft, 51.6% carrier, 11.1% NAS, 17.9% weather, 0.2% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, DLH is strongest in April (95.7% on-time) and weakest in December (89.1%), a 6.6-point swing. Volume peaks in August (~360 flights/month). The busiest connecting route is to MSP (Minneapolis) at 87.7% on-time. Field definitions: on-time performance explained.
Duluth, MN vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
85.2%Top 31%higher than 69% of 382 airports
Duluth, MN
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.
DLH's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.
Check the busiest route from DLH before you book a connection. See top routes →
Travel in April rather than December if your dates are flexible. Seasonal patterns →
Build extra connection buffer when taxi-out spikes. December 2024 averaged 27.9 min. 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 Duluth, MN's on-time rate?
Duluth, MN (DLH) has a 85.2% on-time rate across 23,374 BTS-tracked flights (2020-2025), 6.2 pts above the 79% national flight-weighted average; that places it in roughly the above-median on-time performance.
How does DLH rank among U.S. airports by traffic volume?
Duluth, MN ranks #194 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Duluth, MN?
Carrier is the leading delay cause at DLH, accounting for 51.6% of delay minutes. The full breakdown: 19.2% late-aircraft, 51.6% carrier, 11.1% NAS/air-traffic-control, 17.9% weather, and 0.2% security.
When is the best time to fly through Duluth, MN?
April is historically DLH's strongest month at 95.7% on-time, while December is the weakest at 89.1%, a 6.6-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