Dulles to Gaithersburg (IAD–GAI) — Airlines, Schedules & Connections

IAD Airport Page →
22 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Flight Schedule Charter / private Verified 2w ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

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Dulles to Gaithersburg
Flown by charter / private operators — no scheduled airline service.
22 mi 0h 21m nonstop

IAD–GAI has no scheduled airline service; it is flown by charter / private operators.

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → GAI
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Return
GAI → IAD
91%
Generally reliable. Most flights run on time.
Arriving
91%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays →

Other ways to reach Gaithersburg from Dulles

Nearby airports with service to Montgomery County Airpark.
Metric IAD→GAI BWI→GAI
Distance from IAD 45 mi
Nonstop airlines 1
Weekly flights ~1
Flight time 0h 21m 0h 16m
Departure OTP 67%
Airports within 200 miles of IAD with service to Montgomery County Airpark.

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 6:00 PM in Gaithersburg.
Distance & Flight Time
22 mi / 35 km
Nonstop flight time is approximately 0h 21m gate to gate.
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–GAI Quick Facts

Key statistics for the Dulles to Gaithersburg route.
Route details
Distance22 mi / 35 km
Flight time0h 21m
Time difference0 hours
Airlines (nonstop)Charter / private
Weekly flights~1 out / ~1 return
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: GAI
IATA / ICAOGAI / KGAI
TimezoneAmerica/New_York
Elevation539 ft / 164 m

Frequently Asked Questions

Common questions about IAD to GAI flights.
Nonstop flights from Washington Dulles International Airport to Montgomery County Airpark take about 0h 21m gate to gate. The route covers 22 miles.
Yes, return flights from GAI to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BWI. See the Alternatives section for a full comparison.
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 GAI

Washington Dulles International Airport (IAD) and Montgomery County Airpark (GAI) are connected through multiple connecting hub airports.

IAD to GAI Flight Duration and Schedule

Nonstop flight time from IAD to GAI is about 0 hours 21 minutes gate to gate. The route covers a distance of 22 miles (35 km).

Connecting Options and Alternatives

Nearby alternative airports include Baltimore (BWI).