Denver (DEN) to Kailua-Kona (KOA) flights
United Airlines flies nonstop from Denver International Airport to Ellison Onizuka Kona International Airport at Keāhole, with about 7 flights a week in July 2026. The 3,329-mile flight takes about 7h 13m gate to gate.
- Distance
- 3,329 mi · 5,358 km
- Flight time
- 7h 13m
- Airlines
- 1
- Seats filled
- 83%
Airlines flying DEN to KOA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 777-200ER/200LR/233LR, Boeing 757-200, Boeing 757-300 | 86,578 | 7h 13m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to KOA flight schedule
1 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 12:15pm and the last at 12:15pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 1758United Airlines | 12:15pm | 3:43pm | 31 | 86% |
Is DEN to KOA on time?
From September 2025 to August 2026, 85% of 370 flights arrived within 15 minutes of schedule and 1.1% were cancelled. Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 370 | 85% | 12 min | 1.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 7,542 | |
| September 2025 | 30 | 4,591 | |
| October 2025 | 31 | 6,855 | |
| November 2025 | 30 | 8,883 | |
| December 2025 | 31 | 9,714 | |
| January 2026 | 31 | 8,124 | |
| February 2026 | 29 | 7,885 | |
| March 2026 | 32 | 9,018 | |
| April 2026 | 30 | 9,032 | |
| May 2026 | 31 | 5,116 | |
| June 2026 | 30 | 4,914 | |
| July 2026 | 31 | 4,904 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.