Dulles to Alton/St Louis (IAD–ALN) — Airlines, Schedules & Connections

IAD Airport Page →
676 mi airlines charter/private
On-time Some delays Frequent delays
Flight Schedule Charter / private Verified 2mos 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

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

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Alton/St Louis
Flown by charter / private operators — no scheduled airline service.
676 mi 0h 59m nonstop -1h behind

IAD–ALN 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 → ALN
80%
Generally reliable. Most flights run on time.
Departing
80%
Return
ALN → IAD
88%
Generally reliable. Most flights run on time.
Arriving
88%
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
-1h
Alton/St Louis is 1 hour behind Dulles.
IAD: EDT · ALN: CDT

When it's 6:00 PM in Dulles, it's 5:00 PM in Alton/St Louis.
Distance & Flight Time
676 mi / 1,088 km
Nonstop flight time is approximately 0h 59m 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–ALN Quick Facts

Key statistics for the Dulles to Alton/St Louis route.
Route details
Distance676 mi / 1,088 km
Flight time0h 59m
Time difference-1 hour
Airlines (nonstop)Charter / private
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: ALN
IATA / ICAOALN / KALN
TimezoneAmerica/Chicago
Elevation544 ft / 166 m

Frequently Asked Questions

Common questions about IAD to ALN flights.
Nonstop flights from Washington Dulles International Airport to St Louis Regional Airport take about 0h 59m gate to gate. The route covers 676 miles.
Alton/St Louis is 1 hour behind Dulles.
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 ALN

Washington Dulles International Airport (IAD) and St Louis Regional Airport (ALN) are connected through multiple connecting hub airports.

IAD to ALN Flight Duration and Schedule

Nonstop flight time from IAD to ALN is about 0 hours 59 minutes gate to gate. The route covers a distance of 676 miles (1,088 km).