Ithaca (ITH) to Dulles (IAD) flights
CommuteAir flies nonstop from Ithaca Tompkins Regional Airport to Washington Dulles International Airport, with about 12 flights a week in July 2026. The 250-mile flight takes about 1h 18m gate to gate.
- Distance
- 250 mi · 402 km
- Flight time
- 1h 18m
- Airlines
- 1
- Seats filled
- 75%
Airlines flying ITH to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 12 | Embraer ERJ-145 | 30,575 | 1h 18m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ITH to IAD flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 6:00am and the last at 7:59pm. 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 4939United Airlines · operated by CommuteAir | 6:00am | 7:18am | 31 | 76% |
| UA 4557United Airlines · operated by GoJet Airlines | 10:25am | 11:39am | 11 | 64% |
| UA 4862United Airlines · operated by CommuteAir | 10:25am | 11:41am | 10 | 100% |
| UA 4578United Airlines · operated by GoJet Airlines | 7:59pm | 9:13pm | 9 | n/a |
| UA 4954United Airlines · operated by CommuteAir | 7:59pm | 9:15pm | 22 | 83% |
Is ITH to IAD on time?
From September 2025 to August 2026, 80% of 861 flights arrived within 15 minutes of schedule and 3.6% were cancelled. Flights leaving around 10am were the most punctual (82%), those around 6am the least (76%). Most delay time was caused by late-arriving aircraft (71%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 861 | 80% | 39 min | 3.6% |
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
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 364 | 76% | |
| 10am to 11am | 135 | 82% | |
| 7pm to 8pm | 362 | 82% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 2,453 | |
| September 2025 | 60 | 2,551 | |
| October 2025 | 87 | 3,656 | |
| November 2025 | 58 | 2,384 | |
| December 2025 | 59 | 2,485 | |
| January 2026 | 59 | 1,709 | |
| February 2026 | 54 | 2,058 | |
| March 2026 | 84 | 3,305 | |
| April 2026 | 88 | 2,822 | |
| May 2026 | 83 | 2,958 | |
| June 2026 | 63 | 2,178 | |
| July 2026 | 54 | 2,016 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.