Route Reliability
DLH → Chicago
DLH–ORD · 397 miles · DLH Airport to Chicago O'Hare International Airport
- 70%
- Arrive within 15 minutes
- 27 min
- Average arrival delay
- 3.7%
- Cancelled
- 1,230
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 70% of the time across 1,230 flights. No comparison to make.
What the data says
Morning flights do better here.
DLH–ORD flights departing between 3–6 AM arrived on time 89% of the time, versus 51% between 6–9 PM.
Friday is doing you no favors.
DLH–ORD flights arrived on time 76% of the time on Tuesdays. On Fridays: 66%.
Keep a backup plan handy.
This route was cancelled 3.7% of the time. Typical for U.S. flights is around 1–2%.
Ticking up lately.
DLH–ORD flights arrived on time 67% of the time over the last three months in the data, compared with 62% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon68%(175 flights)
- Tue76%(163 flights)
- Wed67%(167 flights)
- Thu70%(174 flights)
- Fri66%(175 flights)
- Sat73%(157 flights)
- Sun70%(171 flights)
- 3–6 AM89%(27 flights)
- 6–9 AM80%(372 flights)
- 9 AM–12 PM71%(350 flights)
- 12–3 PM61%(36 flights)
- 3–6 PM61%(308 flights)
- 6–9 PM51%(89 flights)
Jun 71% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 109 |
| July 2025 | 65% | 110 |
| August 2025 | 68% | 103 |
| September 2025 | 78% | 116 |
| October 2025 | 84% | 115 |
| November 2025 | 73% | 82 |
| December 2025 | 57% | 58 |
| January 2026 | 54% | 61 |
| February 2026 | 75% | 71 |
| March 2026 | 61% | 98 |
| April 2026 | 66% | 125 |
| May 2026 | 74% | 134 |
Keep nerding
Based on 1,230 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.