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

IAD Airport Page →
367 mi airlines 49/wk
On-time Some delays Frequent delays
Flight Schedule 16 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
CM2774cs
CM Copa
ERJ
8:15 AM
EDT
9:53 AM
EDT
1h 38m
M T W T F S S
Prices
UA4327
UA United
ERJ
8:22 AM
EDT
10:00 AM
EDT
1h 38m
M T W T F S S
Prices
UA4241
UA United
E145
12:37 PM
EDT
2:15 PM
EDT
1h 38m
M T W T F S S
Prices
UA4274+5
UA United
ERJ
5:15 PM
EDT
6:58 PM
EDT
1h 43m
M T W T F S S
Prices
OS7837cs
OS Austrian
ERJ
5:15 PM
EDT
7:03 PM
EDT
1h 48m
M T W T F S S
Prices
AV2057cs
AV avianca
E145
5:15 PM
EDT
6:58 PM
EDT
1h 43m
M T W T F S S
Prices
SN8923cs
SN Lynx Air
ERJ
5:15 PM
EDT
6:53 PM
EDT
1h 38m
M T W T F S S
Prices
AV2059cs
AV avianca
ERJ
10:23 AM
EDT
11:55 AM
EDT
1h 32m
M T W T F S S
Prices
UA4298+1
UA United
ERJ
10:28 AM
EDT
12:01 PM
EDT
1h 33m
M T W T F S S
Prices
CM2769cs
CM Copa
ERJ
10:28 AM
EDT
12:01 PM
EDT
1h 33m
M T W T F S S
Prices
UA4296+2
UA United
ERJ
10:28 AM
EDT
12:01 PM
EDT
1h 33m
M T W T F S S
Prices
SN8924cs
SN Lynx Air
E145
2:50 PM
EDT
4:25 PM
EDT
1h 35m
M T W T F S S
Prices
UA4824+4
UA United
E145
2:50 PM
EDT
4:25 PM
EDT
1h 35m
M T W T F S S
Prices
OS7838cs
OS Austrian
ERJ
2:57 PM
EDT
4:30 PM
EDT
1h 33m
M T W T F S S
Prices
AV2058cs
AV avianca
E145
7:33 PM
EDT
9:10 PM
EDT
1h 37m
M T W T F S S
Prices
UA4267+2
UA United
ERJ
7:35 PM
EDT
9:10 PM
EDT
1h 35m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dulles to Dayton
2 carriers, 49 flights/week nonstop.
2 Airlines 49 Flights/wk 367 mi 1h 38m nonstop 44 1-stop hubs

IAD–DAY is served by 2 airlines with nonstop service. United Airlines and Allegiant Air lead the route. The flight covers 367 miles in approximately 1h 38m. Beyond nonstop, 44 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 Also: AV, CM, OS, SN 21 E145, ERJ 1h38-1h43 100% Star Alliance AV, CM, OS, SN
G4 Allegiant Air 0 100%
Aircraft on this route
E145 Embraer ERJ-145 – AV, UA
ERJ Embraer ERJ-135/140/145 – CM, OS, SN, UA
Alliance coverage
Star Alliance: UA (21 flights/wk, 100%)
Unaffiliated: G4 (0 flights/wk, 0%)
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
7
flights
Tue
7
flights
Wed
7
flights
Thu
7
flights
Fri
7
flights
Sat
7
flights
Sun
7
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
7
Nonstop flights
49
Outbound / wk
60
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to DAY.
1-STOP
One-Stop Connections
44
Hubs
~2h
Fastest
~23h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
880
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.

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 2 2
Weekly flights 49 39
Flight time 1h 38m 1h 37m
Departure OTP 100%
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 38m to 1h 48m.
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 38m to 1h 48m
Time difference0 hours
Airlines (nonstop)2
Weekly flights49 out / 60 return
1-stop connections44 hubs
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: DAY
IATA / ICAODAY / KDAY
TimezoneAmerica/New_York
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 38m to 1h 48m. The route covers 367 miles.
2 airlines operate nonstop service: Allegiant Air and United Airlines. Plus 4 codeshare partners.
There are approximately 49 nonstop flights per week from IAD to DAY. The return direction has about 60 weekly flights.
Yes, 1-stop connections are available through LCK, MSL, CPS, PIT, CLE, ACY, DCA, LEX, FTY, TYS, RDU, YYZ, LGA, MKE, CHS, STL, DAL, YUL, SFB, PIE, NAS, MSP, PBI, SRQ, GPT, MEM, TPA, IAH, MIA, AUS, FLL, TUS, VNY, LAS, PHL, MYR, CVG, ORD, ATL, DEN, CLT, DFW, PGD and CAI. 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 Allegiant Air and United Airlines. With 49 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 38 minutes to 1 hours 48 minutes. The route covers a distance of 367 miles (590 km). There are approximately 49 weekly flights outbound and 60 return, totaling 109 flights per week in both directions.

Connecting Options and Alternatives

44 one-stop connections are available, with the fastest taking approximately 2 hours via LCK. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA).