Route · IAD → JAX · 2020–2025 BTS data
Washington to Jacksonville
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to JAX (Washington to Jacksonville) ranks #2710 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.8%
- On-time
- -0.2 pts
- vs US avg
- 79 min
- Delay when late
- 4,452
- Flights
- #2710 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
Sep 2025 91%
Worst Month
May 2025 61%
Distance
630 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 51 | 10 | 0 | 0 | G4,UA |
| Nov 2025 | 59 | 9 | 0 | 0 | UA,G4 |
| Oct 2025 | 62 | 6 | 0 | 0 | UA,YX |
| Sep 2025 | 57 | 5 | 1 | 0 | UA,YX |
| Aug 2025 | 63 | 10 | 1 | 0 | YX,G4,UA |
| Jul 2025 | 65 | 20 | 5 | 0 | UA,YX,G4 |
| Jun 2025 | 60 | 21 | 0 | 1 | UA,YX,G4 |
| May 2025 | 88 | 34 | 2 | 0 | UA,YX,G4 |
| Apr 2025 | 38 | 8 | 0 | 0 | G4,UA |
| Mar 2025 | 47 | 13 | 1 | 0 | YX,UA,G4 |
| Feb 2025 | 50 | 6 | 0 | 0 | UA |
| Jan 2025 | 52 | 15 | 1 | 0 | UA,G4 |
| Dec 2024 | 54 | 14 | 0 | 0 | G4,UA |
| Nov 2024 | 65 | 25 | 0 | 0 | YX,UA,G4 |
| Oct 2024 | 62 | 12 | 0 | 0 | UA |
| Sep 2024 | 58 | 8 | 0 | 0 | UA |
| Aug 2024 | 78 | 19 | 3 | 0 | G4,YX,UA |
| Jul 2024 | 92 | 30 | 3 | 1 | G4,UA,YX |
| Jun 2024 | 96 | 15 | 0 | 0 | G4,UA,YX |
| May 2024 | 80 | 16 | 0 | 0 | G4,YX,UA |
| Apr 2024 | 69 | 8 | 0 | 0 | G4,UA,YX |
| Mar 2024 | 71 | 17 | 0 | 0 | G4,YX,UA |
| Feb 2024 | 56 | 7 | 0 | 0 | G4,UA,YX |
| Jan 2024 | 56 | 12 | 0 | 0 | G4,YX,UA |
IAD–JAX seasonal on-time pattern
Best: September (85.9%) · weakest: July (69.6%)
Strongest calendar month
September
85.9% on-time · ~73 flights/mo
Busiest calendar month
August
~78 flights/mo avg
Weakest calendar month
July
69.6% on-time · ~75 flights/mo
Cancellation Rate
1.1%
17 of 1,529 flights
Diversion Rate
0.1%
2 of 1,529 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAD - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
IAD on-time profileJAX - Jacksonville
Full on-time, delay-cause, and seasonal performance for Jacksonville, FL.
JAX on-time profileCompare the two airports
See IAD and JAX side by side on delays, cancellations, and reliability.
Compare IAD vs JAXOrigin-hub reliability standing
Mid-pack among IAD departures
From IAD, this corridor sits with 42 other 75–85% on-time routes out of 58 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 2 below 75%). Destination: Jacksonville · fleet on-time rank #3579 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–JAX.
Routes with a similar on-time rate
What the Data Says About IAD to JAX
4,452 tracked flights put the IAD to JAX pairing (Washington to Jacksonville) at a 78.8% on-time rate, squarely in line with the wider network. Delays that do occur run 78.9 minutes on average. Across the 630-mile route and its 21 carriers, the trailing 24 months show 1.1% cancelled and 0.1% diverted (1,529 flights sampled).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 91% on-time, while May 2025 came in at just 61% - a 30-point swing worth factoring into travel timing.
On the multi-year calendar, IAD–JAX peaks in September at 85.9% on-time while August carries the heaviest traffic (~78 flights per month) ; the softest month is July at 69.6%, a 16.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAD to JAX rank among US routes by traffic? ▼
How often are flights delayed from IAD to JAX? ▼
What is the cancellation rate for IAD to JAX? ▼
How far is the flight from IAD to JAX? ▼
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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.
Read our methodology - how this data is sourced, computed, and verified.
Using IAD–JAX data
IAD–JAX is mid-pack at 78.8% on-time; month and carrier mix move more than the corridor headline.
- Compare IAD and JAX airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
- If your dates flex, September (85.9% on-time) beats July (69.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.8% 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.
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.