PlainFlights

Route · SYR → IAD · 2020–2025 BTS data

Syracuse to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SYR to IAD (Syracuse to Washington) ranks #4844 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.5%
On-time
+5.5 pts
vs US avg
99 min
Delay when late
568
Flights
#4844 of 4927
Corpus placement

Cancelled

6.9%

Best Month

Sep 2021 97%

Worst Month

Aug 2021 69%

Distance

296 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Apr 2025 30 6 0 0 YX
Sep 2022 54 9 0 0 UA,YV,YX
Aug 2022 31 5 1 0 UA
Jul 2022 33 1 0 0 UA,YV
Jun 2022 30 3 1 0 UA,YX
May 2022 31 4 0 0 UA,YV,YX
Apr 2022 57 10 0 0 UA,YV
Mar 2022 30 5 0 0 UA
Jan 2022 31 6 1 0 UA
Sep 2021 60 2 2 0 UA,YV,YX
Aug 2021 61 19 4 1 YX
Jul 2021 61 16 4 0 YX
Apr 2020 59 2 26 0 YV

SYR–IAD seasonal on-time pattern

Best: September (90.4%) · weakest: August (73.9%)

70%75%80%85%90%95% JanMarAprMayJunJulAugSep 90.4%

Strongest calendar month

September

90.4% on-time · ~57 flights/mo

Busiest calendar month

September

~57 flights/mo avg

Weakest calendar month

August

73.9% on-time · ~46 flights/mo

Cancellation Rate

6.9%

39 of 568 flights

Diversion Rate

0.2%

1 of 568 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SYR - Syracuse

Full on-time, delay-cause, and seasonal performance for Syracuse, NY.

SYR on-time profile

IAD - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

IAD on-time profile

Compare the two airports

See SYR and IAD side by side on delays, cancellations, and reliability.

Compare SYR vs IAD

Origin-hub reliability standing

Mid-pack among SYR departures

From SYR, this corridor sits with 10 other 75–85% on-time routes out of 15 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 1 below 75%). Destination: Washington · fleet on-time rank #1416 of 4927.

What the Data Says About SYR to IAD

Bureau of Transportation Statistics records show Syracuse to Washington (SYR to IAD) running a 84.5% on-time rate over 568 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 98.6 minutes. The 296-mile corridor is served by 6 carriers, and over the last 24 months 6.9% of 568 flights were cancelled, 0.2% diverted.

The monthly split is wide on this route: Sep 2021 posted the strongest performance at 97% on-time, while Aug 2021 came in at just 69% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, SYR–IAD peaks in September at 90.4% on-time ; the softest month is August at 73.9%, a 16.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SYR to IAD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SYR to IAD ranks #4844 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 SYR to IAD? ▼
Flights from Syracuse to Washington have a 84.5% on-time rate based on 568 flights. The average delay is 98.6 minutes. The best recent month was Sep 2021 with 97% on-time.
What is the cancellation rate for SYR to IAD? ▼
Over the last 24 months, 6.9% of flights on this route were cancelled (39 of 568 flights) and 0.2% were diverted.
How far is the flight from SYR to IAD? ▼
The flight distance from Syracuse (SYR) to Washington (IAD) is approximately 296 miles. This route is served by 6 carriers.
When is the best time to fly from SYR to IAD? ▼
The best recent month for on-time performance was Sep 2021 (97% on-time). The worst was Aug 2021 (69% on-time). Consider booking during months with historically better performance.

Airports on this route

SYR Airport

Syracuse
IAD Airport

Washington
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 SYR–IAD data

SYR–IAD runs 5.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SYR and IAD airport profiles: delay causes and top routes differ even on the same corridor. SYR airport
  • If your dates flex, September (90.4% on-time) beats August (73.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.5% 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.