Dulles to Ithaca (IAD–ITH) — Airlines, Schedules & Connections

IAD Airport Page →
251 mi airlines 22/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 48m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
UA4341
UA United
E145
8:30 AM
EDT
9:42 AM
EDT
1h 12m
M T W T F S S
Prices
UA4945
UA United
E145
5:10 PM
EDT
6:22 PM
EDT
1h 12m
M T W T F S S
Prices
UA4950
UA United
E145
10:30 PM
EDT
11:42 PM
EDT
1h 12m
M T W T F S S
Prices
UA4939
UA United
E145
6:00 AM
EDT
7:33 AM
EDT
1h 33m
M T W T F S S
Prices
UA4269
UA United
ERJ
10:30 AM
EDT
11:49 AM
EDT
1h 19m
M T W T F S S
Prices
UA4248
UA United
E145
10:30 AM
EDT
11:51 AM
EDT
1h 21m
M T W T F S S
Prices
UA4954
UA United
ERJ
7:35 PM
EDT
8:56 PM
EDT
1h 21m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Dulles to Ithaca
1 carrier, 22 flights/week nonstop.
1 Airlines 22 Flights/wk 251 mi 0h 42m nonstop 4 1-stop hubs

IAD–ITH is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 251 miles in approximately 0h 42m. Beyond nonstop, 4 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAD–ITH service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 21 E145 1h12 50% Star Alliance
Aircraft on this route
E145 Embraer ERJ-145 – UA
Alliance coverage
Star Alliance: UA (21 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, IAD to ITH direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
22
Outbound / wk
28
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to ITH.
1-STOP
One-Stop Connections
4
Hubs
~4h
Fastest
~14h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
104
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → ITH
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Return
ITH → IAD
86%
Generally reliable. Most flights run on time.
Arriving
86%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Travel Essentials

Practical planning for this route.
Time Difference
0h
Ithaca is 0 hours the same as Dulles.
IAD: EDT · ITH: EDT

When it's 6:00 PM in Dulles, it's 6:00 PM in Ithaca.
Distance & Flight Time
251 mi / 403 km
Nonstop flight time is approximately 0h 42m to 1h 12m.
Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–ITH Quick Facts

Key statistics for the Dulles to Ithaca route.
Route details
Distance251 mi / 403 km
Flight time0h 42m to 1h 12m
Time difference0 hours
Airlines (nonstop)1
Weekly flights22 out / 28 return
1-stop connections4 hubs
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: ITH
IATA / ICAOITH / KITH
TimezoneAmerica/New_York
Passengers/yr0.1M
Elevation1,099 ft / 335 m

Frequently Asked Questions

Common questions about IAD to ITH flights.
Nonstop flights from Washington Dulles International Airport to Ithaca Tompkins Regional Airport take approximately 0h 42m to 1h 12m. The route covers 251 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 22 nonstop flights per week from IAD to ITH. The return direction has about 28 weekly flights.
Yes, 1-stop connections are available through BOS, SDF, ATL and JFK. These options provide additional schedule flexibility.
Yes, return flights from ITH to IAD are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAD to ITH

Washington Dulles International Airport (IAD) and Ithaca Tompkins Regional Airport (ITH) are connected by nonstop service from United Airlines. With 22 weekly departures, this is a well served route.

IAD to ITH Flight Duration and Schedule

Nonstop flight time from IAD to ITH ranges from 0 hours 42 minutes to 1 hours 12 minutes. The route covers a distance of 251 miles (403 km). There are approximately 22 weekly flights outbound and 28 return, totaling 50 flights per week in both directions.

Connecting Options and Alternatives

4 one-stop connections are available, with the fastest taking approximately 4 hours via BOS. Two-stop connections are also available via intermediate hubs.