Route · IAD → JAX · 2020–2025 BTS data
Washington to Jacksonville
The IAD–JAX corridor (Washington, DC → Jacksonville, FL) runs behind the national average, served by 21 carriers across roughly 630 miles.
Data updated 2026-06-13
- 78.8%
- On-time
- -0.2 pts
- vs US avg
- 79 min
- Delay when late
- 4,452
- Flights
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 |
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.
Origin airport →JAX - Jacksonville
Full on-time, delay-cause, and seasonal performance for Jacksonville, FL.
Destination airport →Compare the two airports
See IAD and JAX side by side on delays, cancellations, and reliability.
Open comparison tool →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.
Frequently Asked Questions
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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.
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.