Carrier route record

YXDCA→JAX

Republic Airways · Washington to Jacksonville

Flights: 124
Period: July 2025 to June 2026
Share of route: 8%
Carriers: 4

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Republic Airways.

Republic on DCA to JAX earns an A. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 12 points better than the national rate of 77.6%. When something does go wrong the average delay runs roughly 50 minutes. That rests on 124 flights, with a median arrival 12 minutes early.

Set against the rest of the country, Republic's DCA to JAX record is 12 points better than the US average of 77.6%. That gap is worth roughly 116 fewer late arrivals for every thousand flights.

On time

89.2%

Arrivals under 15 minutes late, of 120 completed flights

Avg delay

52 min

Across delayed arrivals only, not all flights

Cancelled

1.61%

National rate is 1.81%

Whole route

72.9%

Every carrier on DCA to JAX, 1,463 flights

These figures cover 124 flights between July 2025 and June 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Carrier by carrier

Republic against every carrier on DCA to JAX

Republic flew 124 of the 1,463 flights on DCA to JAX, about 8% of it. Its 89.2% on time is 16 points better than the route as a whole, which runs 72.9%. Ranked by on-time rate it is first of four carriers on the route, where the range runs from Republic at 89.2% to American at 70.7%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on DCA to JAX
Airline	Flights	On time	Avg delay	Cancelled	Grade
Republic Airways (this page)thin sample	124	89.2%	52 min	1.61%	A
Envoy Airthin sample	4	75.0%	34 min	0.00%	B+
PSA Airlinesthin sample	332	73.4%	76 min	3.61%	C−
American Airlines	1,003	70.7%	72 min	2.19%	C

Departure window

When Republic runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 19 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am43 flights93.0%
8am–11am37 flights97.1%
11am–2pm44 flights78.6%
2pm–5pm—
5pm–8pm—
8pm–5am—

Scale runs 70% to 100%. Rows with fewer than 30 flights show a dash.

The weak window here is the middle of the day, not the evening: 11am–2pm runs 78.6% on time against 97.1% for 8am–11am. That shape usually means a departure bank rather than an accumulating delay, so the recovery later in the afternoon is real rather than noise. The 11am–2pm window is the busiest, with 44 flights scheduled in it.

Across the year

Republic on DCA to JAX through the year

Jul–Sep 20254 flights—
Oct–Dec 20254 flights—
Jan–Mar 202642 flights97.5%
Apr–Jun 202674 flights86.1%

Scale runs 80% to 100%. Rows with fewer than 30 flights show a dash.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 89.2% on time across 124 flights.

Split by quarter, Republic on DCA to JAX logged 4 flights in Jul–Sep 2025, 4 flights in Oct–Dec 2025, 42 flights in Jan–Mar 2026 and 74 flights in Apr–Jun 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 89.2% annual figure is the one to use.

Delay causes

Why Republic runs late on this route

One category carries most of the weight here. Late-arriving aircraft accounts for 45% of the 677 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Late-arriving aircraft
45%
Extreme weather
19%
Carrier
18%
National Airspace System
17%

Extreme weather accounts for 19% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 3.1 times the usual weather exposure. The split is drawn from 677 reported delay minutes.

45% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 677 reported delay minutes here, that single category outweighs weather by 2 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit.

Cancellations sit at 1.61% against a national 1.81%, which is ordinary. Diversions add another 1.61%.

Connections and stage length

What a delay here costs

Badly late arrivals are rare here: only 2.5% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

The 634 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The return leg is a different operation and performs like one: it runs 84.3% on time across 124 flights, 5 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 5 points of difference.

One caution: this is a thin sample. 124 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking Republic on DCA to JAX

Put together: treat all of this as provisional. 124 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 89.2% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 120 completed flights over 12 months sit behind that.

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures