Dulles to Dayton (IAD–DAY) — Airlines, Schedules & Connections

IAD Airport Page →
367 mi airlines 28/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 10m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
UA4241
UA United
ERJ
12:35 PM
EDT
2:22 PM
EDT
1h 47m
M T W T F S S
Prices
AV2057
AV avianca
E145
5:50 PM
EDT
7:38 PM
EDT
1h 48m
M T W T F S S
Prices
CM2774
CM Copa
E145
5:50 PM
EDT
7:38 PM
EDT
1h 48m
M T W T F S S
Prices
UA4274
UA United
E145
7:23 PM
EDT
9:12 PM
EDT
1h 49m
M T W T F S S
Prices
CM2769
CM Copa
E145
9:45 AM
EDT
11:23 AM
EDT
1h 38m
M T W T F S S
Prices
UA4296
UA United
E145
9:45 AM
EDT
11:23 AM
EDT
1h 38m
M T W T F S S
Prices
UA4298
UA United
ERJ
10:35 AM
EDT
12:08 PM
EDT
1h 33m
M T W T F S S
Prices
UA4824
UA United
ERJ
2:57 PM
EDT
4:30 PM
EDT
1h 33m
M T W T F S S
Prices
AV2059
AV avianca
ERJ
2:57 PM
EDT
4:30 PM
EDT
1h 33m
M T W T F S S
Prices
UA4267
UA United
ERJ
7:33 PM
EDT
9:10 PM
EDT
1h 37m
M T W T F S S
Prices
UA4242
UA United
ERJ
7:38 PM
EDT
9:23 PM
EDT
1h 45m
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 Dayton
4 carriers, 28 flights/week nonstop.
4 Airlines 28 Flights/wk 367 mi 1h 47m nonstop 25 1-stop hubs

IAD–DAY is served by 4 airlines with nonstop service. United Airlines, avianca and Copa Airlines lead the route. The flight covers 367 miles in approximately 1h 47m. Beyond nonstop, 25 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAD–DAY service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 14 E145, ERJ 1h47-1h49 64% Star Alliance
AV avianca 7 E145 1h48 64% Star Alliance
CM Copa Airlines 7 E145 1h48 64% Star Alliance
G4 Allegiant Air 1 64%
Aircraft on this route
E145 Embraer ERJ-145 – AV, CM, UA
ERJ Embraer ERJ-135/140/145 – UA
Alliance coverage
Star Alliance: AV + CM + UA (28 flights/wk, 97%)
Unaffiliated: G4 (1 flights/wk, 3%)
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 DAY direction.
Mon
4
flights
Tue
4
flights
Wed
4
flights
Thu
4
flights
Fri
4
flights
Sat
4
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
28
Outbound / wk
40
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to DAY.
1-STOP
One-Stop Connections
25
Hubs
~3h
Fastest
~23h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
730
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 → DAY
64%
Moderate delays possible. Allow buffer time.
Departing
64%
Arriving
75%
Return
DAY → IAD
86%
Generally reliable. Most flights run on time.
Departing
86%
Arriving
85%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → DAY delays →

Other ways to reach Dayton from Dulles

Nearby airports with service to James M. Cox Dayton International Airport.
Metric IAD→DAY DCA→DAY
Distance from IAD 23 mi
Nonstop airlines 4 2
Weekly flights 28 35
Flight time 1h 47m 1h 26m
Departure OTP 64%
Airports within 200 miles of IAD with service to James M. Cox Dayton International Airport.

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 6:00 PM in Dayton.
Distance & Flight Time
367 mi / 590 km
Nonstop flight time is approximately 1h 47m to 1h 49m.
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–DAY Quick Facts

Key statistics for the Dulles to Dayton route.
Route details
Distance367 mi / 590 km
Flight time1h 47m to 1h 49m
Time difference0 hours
Airlines (nonstop)4
Weekly flights28 out / 40 return
1-stop connections25 hubs
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: DAY
IATA / ICAODAY / KDAY
TimezoneAmerica/Indiana/Vevay
Passengers/yr1.2M
Elevation1,009 ft / 308 m

Frequently Asked Questions

Common questions about IAD to DAY flights.
Nonstop flights from Washington Dulles International Airport to James M. Cox Dayton International Airport take approximately 1h 47m to 1h 49m. The route covers 367 miles.
4 airlines operate nonstop service: avianca, Copa Airlines, Allegiant Air and United Airlines.
There are approximately 28 nonstop flights per week from IAD to DAY. The return direction has about 40 weekly flights.
Yes, 1-stop connections are available through DCA, MKE, RDU, LGA, CHS, STL, YUL, PIE, MEM, DAL, SFB, SRQ, MSP, PBI, PGD, NAS, AUS, VNY, LAS, PHL, ORD, ATL, DEN, CLT and DFW. These options provide additional schedule flexibility.
Yes, return flights from DAY to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA. 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 DAY

Washington Dulles International Airport (IAD) and James M. Cox Dayton International Airport (DAY) are connected by nonstop service from avianca, Copa Airlines, Allegiant Air and United Airlines. With 28 weekly departures, this is a heavily served route.

IAD to DAY Flight Duration and Schedule

Nonstop flight time from IAD to DAY ranges from 1 hours 47 minutes to 1 hours 49 minutes. The route covers a distance of 367 miles (590 km). There are approximately 28 weekly flights outbound and 40 return, totaling 68 flights per week in both directions.

Connecting Options and Alternatives

25 one-stop connections are available, with the fastest taking approximately 3 hours via DCA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA).