OnTimeRoutes
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Duluth International Airport (DLH) delays & on-time performance

Duluth, Minnesota · 2 nonstop destinations · 3 airlines · Aug 2025 – Jul 2026

Live status todayFAA update Oct 11, 4:51 AM EDTAll US airport delays now →

No FAA-reported ground stops or delays at DLH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.

On-time arrivals
76%
arrived < 15 min late
Cancelled
3.6%
87 flights
Avg arrival delay
26 min
103 min when late
Departed on time
80%
avg taxi-out 21 min

Figures cover 2,429 departures from DLH; on-time is measured at arrival. Arrivals into DLH were on time 73% of the time.

Key facts

  • Flights departing Duluth International Airport (DLH) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
  • 3.6% were cancelled, and 11% arrived an hour or more late.
  • SkyWest Airlines was the most punctual airline here (76% on time); Republic Airways was the least (74%).
  • Departures scheduled around 9am did best (91% on time); around 3pm did worst (59%).
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).

Most delayed routes from DLH

Lowest on-time arrival rates among regularly flown routes.

All 2 routes from DLH →

Most reliable routes from DLH

Highest on-time arrival rates among regularly flown routes.

Best airline at DLH

Departures from this airport, ranked by on-time arrival.

AirlineOn timeCancelledAvg delayRoutesFlights
Delta Air Lines100%0.0%0 min14
SkyWest Airlines76%3.6%26 min22,342
Republic Airways74%3.6%21 min183

Best time to fly out of DLH

On-time arrival rate by scheduled departure hour (local time).

  • 5am90%372 flts
  • 7am76%368 flts
  • 8am83%246 flts
  • 9am91%68 flts
  • 10am88%56 flts
  • 11am70%391 flts
  • 12pm82%153 flts
  • 2pm61%37 flts
  • 3pm59%323 flts
  • 4pm71%292 flts
  • 6pm60%98 flts

Monthly trend

40%70%100%July 2025: 74.5% on time, 1.4% cancelledJul ’25August 2025: 73.7% on time, 1.5% cancelledAug ’25September 2025: 79.3% on time, 0.9% cancelledSep ’25October 2025: 86.6% on time, 0.0% cancelledOct ’25November 2025: 81.3% on time, 7.3% cancelledNov ’25December 2025: 64.4% on time, 5.2% cancelledDec ’25January 2026: 58.8% on time, 2.6% cancelledJan ’26February 2026: 80.2% on time, 3.9% cancelledFeb ’26March 2026: 67.0% on time, 8.6% cancelledMar ’26April 2026: 70.7% on time, 4.5% cancelledApr ’26May 2026: 83.6% on time, 0.4% cancelledMay ’26June 2026: 76.2% on time, 1.9% cancelledJun ’26July 2026: 76.0% on time, 6.1% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why departures were late

  • Airline (crew, maintenance, cleaning, fueling)46%
  • Late-arriving aircraft21%
  • Air traffic control & airport congestion17%
  • Extreme weather16%
  • Security0%

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.