Dulles (IAD) to Ithaca (ITH) flights
CommuteAir flies nonstop from Washington Dulles International Airport to Ithaca Tompkins Regional 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
- 80%
Airlines flying IAD to ITH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| CommuteAir | 12 | Embraer ERJ-145 | 32,530 | 1h 18m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to ITH flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 8:30am and the last at 10:28pm. 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 4549United Airlines · operated by GoJet Airlines | 8:30am | 9:49am | 11 | 73% |
| UA 4861United Airlines · operated by CommuteAir | 8:30am | 9:50am | 10 | 100% |
| UA 4563United Airlines · operated by GoJet Airlines | 5:40pm | 7:02pm | 9 | n/a |
| UA 4945United Airlines · operated by CommuteAir | 5:40pm | 7:03pm | 22 | 75% |
| UA 4950United Airlines · operated by CommuteAir | 10:28pm | 11:44pm | 31 | 75% |
Is IAD to ITH on time?
From September 2025 to August 2026, 76% of 861 flights arrived within 15 minutes of schedule and 4.2% were cancelled. Flights leaving around 8am were the most punctual (85%), those around 10pm the least (75%). Most delay time was caused by severe weather (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 861 | 76% | 37 min | 4.2% |
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 |
|---|---|---|---|
| 8am to 9am | 134 | 85% | |
| 5pm to 6pm | 365 | 75% | |
| 10pm to 11pm | 362 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 64 | 2,795 | |
| September 2025 | 60 | 2,715 | |
| October 2025 | 87 | 3,833 | |
| November 2025 | 58 | 2,457 | |
| December 2025 | 59 | 2,220 | |
| January 2026 | 59 | 2,537 | |
| February 2026 | 53 | 2,273 | |
| March 2026 | 84 | 3,212 | |
| April 2026 | 88 | 3,327 | |
| May 2026 | 83 | 2,740 | |
| June 2026 | 64 | 2,365 | |
| July 2026 | 51 | 2,056 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.