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 May 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop IAD–JAX; the Boeing 737-900ER was the most common aircraft at 29% of departures; flights ran 78% full.
Departures
170
May 2026
Seats
26,979
both directions
Passengers
20,996
both directions
Load factor
77.8%
RPM ÷ ASM
Who flies IAD–JAX?
United Airlines operated the most nonstop IAD–JAX departures in May 2026 (150), one of 3 carriers on the route.
- UA
150 departures · 23,602 seats
Share of departures88.2%76.0%
Load
- G4
18 departures · 3,237 seats
Share of departures10.6%90.5%
Load
- YV
2 departures · 140 seats
Share of departures1.2%96.4%
Load
What plane flies IAD–JAX?
In May 2026, the Boeing 737-900ER flew 29% of IAD–JAX departures — more than any other aircraft type.
- Boeing 737-900ER
50 departures · 71.3% load
29.4% - Boeing 737 MAX 9
36 departures · 72.0% load
21.2% - Boeing 737-700
33 departures · 87.8% load
19.4% - Airbus A319
25 departures · 83.7% load
14.7% - Airbus A320
24 departures · 85.8% load
14.1% - Embraer E175
2 departures · 96.4% load
1.2%
How has IAD–JAX traffic changed?
Nonstop IAD–JAX departures fell from 197 in June 2025 to 170 in May 2026.
Monthly nonstop IAD–JAX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
197 departures · 19,443 passengers
83.2%
Load
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
By direction
Each direction is filed separately — they rarely match.
IAD → JAX
75.1% full
85 departures · 10,139 passengers
JAX → IAD
80.5% full
85 departures · 10,857 passengers
Nonstop IAD–JAX traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Boeing 737-900ER flew the largest share of departures (29.4%), followed by the Boeing 737 MAX 9 (21.2%).
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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