Route · IAD → SYR · 2020–2025 BTS data
Washington to Syracuse
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to SYR (Washington to Syracuse) ranks #4868 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 71.9%
- On-time
- -7.1 pts
- vs US avg
- 89 min
- Delay when late
- 540
- Flights
- #4868 of 4927
- Corpus placement
Cancelled
6.9%
Best Month
Apr 2020 98%
Worst Month
Aug 2021 44%
Distance
296 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Apr 2025 | 30 | 3 | 0 | 0 | YX |
| Sep 2022 | 54 | 9 | 0 | 0 | UA,YV,YX |
| Aug 2022 | 31 | 11 | 1 | 0 | UA |
| Jul 2022 | 33 | 15 | 0 | 0 | UA,YV |
| May 2022 | 31 | 18 | 0 | 0 | UA,YV,YX |
| Apr 2022 | 57 | 13 | 0 | 0 | UA,YV |
| Mar 2022 | 30 | 10 | 0 | 0 | UA |
| Jan 2022 | 31 | 9 | 1 | 0 | UA |
| Sep 2021 | 60 | 7 | 1 | 0 | UA,YV,YX |
| Aug 2021 | 62 | 35 | 3 | 0 | YX |
| Jul 2021 | 61 | 21 | 5 | 1 | UA,YX |
| Apr 2020 | 60 | 1 | 26 | 0 | YV |
IAD–SYR seasonal on-time pattern
Best: April (88.4%) · weakest: May (41.9%)
Strongest calendar month
April
88.4% on-time · ~49 flights/mo
Busiest calendar month
September
~57 flights/mo avg
Weakest calendar month
May
41.9% on-time · ~31 flights/mo
Cancellation Rate
6.9%
37 of 540 flights
Diversion Rate
0.2%
1 of 540 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 profileSYR - Syracuse
Full on-time, delay-cause, and seasonal performance for Syracuse, NY.
SYR on-time profileCompare the two airports
See IAD and SYR side by side on delays, cancellations, and reliability.
Compare IAD vs SYROrigin-hub reliability standing
Softer reliability from IAD
Among 58 routes leaving IAD, only 2 (including this one) clear below 75% on-time, while 14 stay ≥85% and 42 sit mid-band. Travelers comparing IAD options should weigh this 71.9% print against those peers · fleet on-time rank #4761 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAD–SYR.
Routes with a similar on-time rate
What the Data Says About IAD to SYR
On-time performance on the IAD to SYR pairing (Washington to Syracuse) trails a chunk of the network: 71.9% of 540 tracked flights arrived on schedule, with a 89.1-minute average delay on the ones that ran late. The route spans about 296 miles across 6 carriers. Cancellations over the trailing 24 months hit 6.9% (37 of 540 flights), with 0.2% diverted.
The monthly split is wide on this route: Apr 2020 posted the strongest performance at 98% on-time, while Aug 2021 came in at just 44% - a 55-point swing worth factoring into travel timing.
On the multi-year calendar, IAD–SYR peaks in April at 88.4% on-time while September carries the heaviest traffic (~57 flights per month) ; the softest month is May at 41.9%, a 46.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does IAD to SYR rank among US routes by traffic? ▼
How often are flights delayed from IAD to SYR? ▼
What is the cancellation rate for IAD to SYR? ▼
How far is the flight from IAD to SYR? ▼
When is the best time to fly from IAD to SYR? ▼
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–SYR data
IAD–SYR sits 7.1 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare IAD and SYR airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
- If your dates flex, April (88.4% on-time) beats May (41.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 71.9% 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.
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.