DLH to ORD flight delays & on-time performance
Nonstop flights from Duluth International Airport to Chicago O'Hare International Airport · 397 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DLH or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Duluth (DLH) to Chicago (ORD) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.5% were cancelled, and 13% arrived an hour or more late.
- Republic Airways was the most punctual airline here (74% on time); SkyWest Airlines was the least (68%).
- Departures scheduled around 9am did best (91% on time); around 6pm did worst (58%).
- Tuesday was the most reliable day to fly (73% on time) and Friday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (34%).
Which airline is most on time from DLH to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 74% | 3.6% | 21 min | 12.5% | 83 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 68% | 4.6% | 34 min | 13.5% | 1,140 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am89%28 flights
- 6am94%19 flights
- 7am74%279 flights
- 8am84%86 flights
- 9am91%68 flights
- 11am65%293 flights
- 2pm61%37 flights
- 3pm59%323 flights
- 6pm58%90 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%5.1% cancelled
- Tuesday73%4.6% cancelled
- Wednesday66%2.9% cancelled
- Thursday68%4.0% cancelled
- Friday65%3.8% cancelled
- Saturday70%6.0% cancelled
- Sunday69%5.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft34%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion22%
- Extreme weather13%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather87%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
DLH to ORD: common questions
- How often are DLH to ORD flights on time?
- 69% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Duluth to Chicago cancelled?
- 4.5% of scheduled flights were cancelled (55 of 1,223).
- How long are typical delays?
- Across all flights the average arrival delay was 33 min (early arrivals count as zero). Flights that were late arrived 102 min behind schedule on average, and 13.4% of flights were an hour or more late.
- How long is taxi time at DLH?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DLH → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.