PlainFlights

Route · JAX → IAD · 2020–2025 BTS data

Jacksonville to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), JAX to IAD (Jacksonville to Washington) ranks #2648 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.9%
On-time
+2.9 pts
vs US avg
84 min
Delay when late
4,569
Flights
#2648 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Sep 2025 98%

Worst Month

Jul 2025 72%

Distance

630 mi

Carriers

25

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 51 5 1 0 G4,UA
Nov 2025 59 6 0 0 UA,G4
Oct 2025 62 2 0 0 UA,YX
Sep 2025 57 1 1 0 UA,YX
Aug 2025 63 9 0 0 YX,G4,UA
Jul 2025 65 18 3 1 UA,YX,G4
Jun 2025 60 12 0 0 UA,YX,G4
May 2025 88 17 2 0 UA,YX,G4
Apr 2025 38 2 0 0 G4,UA
Mar 2025 47 3 0 0 YX,UA,G4
Feb 2025 50 5 0 0 UA
Jan 2025 52 9 2 0 UA,G4
Dec 2024 53 7 0 0 G4,UA
Nov 2024 65 6 0 0 YX,UA,G4
Oct 2024 62 4 0 0 UA
Sep 2024 60 10 0 0 UA
Aug 2024 84 19 4 2 G4,YX,UA
Jul 2024 101 19 3 0 G4,UA,YX
Jun 2024 98 12 0 0 G4,UA,YX
May 2024 79 18 0 0 G4,YX,UA
Apr 2024 69 10 0 1 G4,UA,YX
Mar 2024 72 12 0 0 G4,YX,UA
Feb 2024 56 8 0 0 G4,UA,YX
Jan 2024 56 9 2 0 G4,YX,UA

JAX–IAD seasonal on-time pattern

Best: October (88.1%) · weakest: August (75.9%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 84.3%

Strongest calendar month

October

88.1% on-time · ~67 flights/mo

Busiest calendar month

August

~79 flights/mo avg

Weakest calendar month

August

75.9% on-time · ~79 flights/mo

Cancellation Rate

1.2%

18 of 1,547 flights

Diversion Rate

0.3%

4 of 1,547 flights

Origin-hub reliability standing

Mid-pack among JAX departures

From JAX, this corridor sits with 16 other 75–85% on-time routes out of 23 tracked departures, not the hub's reliability leaders (6 at ≥85%) and not the softest ( 1 below 75%). Destination: Washington · fleet on-time rank #2400 of 4927.

What the Data Says About JAX to IAD

4,569 tracked flights put the JAX to IAD pairing (Jacksonville to Washington) at a 81.9% on-time rate, squarely in line with the wider network. Delays that do occur run 84.2 minutes on average. Across the 630-mile route and its 25 carriers, the trailing 24 months show 1.2% cancelled and 0.3% diverted (1,547 flights sampled).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 98% on-time, while Jul 2025 came in at just 72% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, JAX–IAD peaks in October at 88.1% on-time while August carries the heaviest traffic (~79 flights per month) ; the softest month is August at 75.9%, a 12.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does JAX to IAD rank among US routes by traffic?
According to PlainFlights' route traffic ranking, JAX to IAD ranks #2648 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from JAX to IAD?
Flights from Jacksonville to Washington have a 81.9% on-time rate based on 4,569 flights. The average delay is 84.2 minutes. The best recent month was Sep 2025 with 98% on-time.
What is the cancellation rate for JAX to IAD?
Over the last 24 months, 1.2% of flights on this route were cancelled (18 of 1,547 flights) and 0.3% were diverted.
How far is the flight from JAX to IAD?
The flight distance from Jacksonville (JAX) to Washington (IAD) is approximately 630 miles. This route is served by 25 carriers.
When is the best time to fly from JAX to IAD?
The best recent month for on-time performance was Sep 2025 (98% on-time). The worst was Jul 2025 (72% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using JAX–IAD data

JAX–IAD is mid-pack at 81.9% on-time; month and carrier mix move more than the corridor headline.

  • Compare JAX and IAD airport profiles: delay causes and top routes differ even on the same corridor. JAX airport
  • If your dates flex, October (88.1% on-time) beats August (75.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.9% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.