Need help booking?
Unpublished phone-only deals available
GAI to ILG: distance & flight time
Gaithersburg (Montgomery County Airpark) → Wilmington (New Castle Airport)
90 mi
145 km · 79 nm
42m
estimated nonstop flight time
Same time
time difference · heading northeast
See live GAI→ILG fares Phone-only fares on this route — call free
Flight time details
90 miles nonstop takes roughly 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- ILG — New Castle Airport · Wilmington, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GAI
Near ILG
Frequently asked questions
How far is GAI from ILG?
The flight distance from Gaithersburg (GAI) to Wilmington (ILG) is 90 miles (145 km, 79 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to ILG?
A nonstop flight takes about 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from GAI to ILG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–ILG that never appear on search engines, with no booking fees.