Dulles (IAD) to Jacksonville (JAX)
Flight time
≈ 2h 04m
Bearing
204° SW
Dulles (IAD) to Jacksonville (JAX) is 631 miles (1,016 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–JAX
Filed traffic dataIn June 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop IAD–JAX; the Airbus A319 was the most common aircraft at 36% of departures; flights ran 83% full.
Departures
141
June 2026
Seats
21,797
both directions
Passengers
18,182
both directions
Load factor
83.4%
RPM ÷ ASM
Who flies IAD–JAX?
United Airlines operated the most nonstop IAD–JAX departures in June 2026 (121), one of 4 carriers on the route.
- UA
121 departures · 18,479 seats
Share of departures85.8%81.8%
Load
- G4
18 departures · 3,234 seats
Share of departures12.8%93.1%
Load
- LF
Contour Airlines
1 departures · 8 seats
Share of departures0.7%87.5%
Load
- YX
1 departures · 76 seats
Share of departures0.7%75.0%
Load
What plane flies IAD–JAX?
In June 2026, the Airbus A319 flew 36% of IAD–JAX departures — more than any other aircraft type.
- Airbus A319
51 departures · 85.4% load
36.2% - Airbus A320
34 departures · 87.9% load
24.1% - Boeing 737 MAX 9
34 departures · 85.1% load
24.1% - Boeing 737-900ER
19 departures · 68.9% load
13.5% - Boeing 737-800
1 departures · 92.8% load
0.7% - Embraer E175
1 departures · 75.0% load
0.7% - Cessna 510 Mustang
1 departures · 87.5% load
0.7%
How has IAD–JAX traffic changed?
Nonstop IAD–JAX departures fell from 194 in July 2025 to 141 in June 2026.
Monthly nonstop IAD–JAX traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
194 departures · 16,957 passengers
86.9%
Load
August 2025
194 departures · 15,750 passengers
81.7%
Load
September 2025
178 departures · 13,329 passengers
81.8%
Load
October 2025
186 departures · 15,212 passengers
78.0%
Load
November 2025
184 departures · 18,082 passengers
75.7%
Load
December 2025
170 departures · 17,064 passengers
77.0%
Load
January 2026
105 departures · 11,714 passengers
71.0%
Load
February 2026
104 departures · 13,082 passengers
74.2%
Load
March 2026
189 departures · 25,441 passengers
76.4%
Load
April 2026
136 departures · 18,342 passengers
75.4%
Load
May 2026
170 departures · 20,996 passengers
77.8%
Load
June 2026
141 departures · 18,182 passengers
83.4%
Load
By direction
Each direction is filed separately — they rarely match.
JAX → IAD
85.1% full
71 departures · 9,267 passengers
IAD → JAX
81.7% full
70 departures · 8,915 passengers
Nonstop IAD–JAX traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Dulles (IAD) from Jacksonville (JAX)?
IAD to JAX is 631 miles (1,016 km / 549 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to JAX?
A nonstop covers the 631-mile great-circle distance in roughly 2h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–JAX?
In June 2026, the Airbus A319 flew the largest share of departures (36.2%), followed by the Airbus A320 (24.1%).
What mileage do I earn flying IAD–JAX?
Distance-based programs credit off the 631-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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