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Route · BTV → IAD · 2020–2025 BTS data

Burlington to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BTV to IAD (Burlington to Washington) ranks #3670 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.8%
On-time
+8.8 pts
vs US avg
83 min
Delay when late
2,244
Flights
#3670 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Jun 2024 98%

Worst Month

Jul 2025 81%

Distance

441 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2025 40 8 0 0 YX
Sep 2025 33 2 0 0 YX
Aug 2025 71 9 0 0 YX
Jul 2025 96 18 11 0 YX
Jun 2025 70 9 2 0 YX
May 2025 67 10 0 0 YX
Apr 2025 56 3 0 0 YX
Mar 2025 53 3 1 0 YX
Jan 2025 40 6 1 0 YX,UA
Dec 2024 57 4 0 0 UA,YX
Nov 2024 48 2 0 0 YX
Oct 2024 59 2 0 0 YX
Sep 2024 60 2 0 0 YX,UA
Aug 2024 61 2 3 0 YX
Jul 2024 61 4 0 0 YX
Jun 2024 60 1 0 0 YX
May 2024 41 3 0 0 YX
Apr 2024 30 5 0 0 YX
Mar 2024 31 5 1 0 YX
Feb 2024 44 0 0 0 YX
Jan 2024 60 10 1 0 YX,UA
Dec 2023 41 6 1 0 UA,YX
Nov 2023 30 4 0 0 YX
Oct 2023 31 5 0 0 YX,UA

BTV–IAD seasonal on-time pattern

Best: September (93.7%) · weakest: January (78.5%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 86.8%

Strongest calendar month

September

93.7% on-time · ~52 flights/mo

Busiest calendar month

July

~61 flights/mo avg

Weakest calendar month

January

78.5% on-time · ~41 flights/mo

Cancellation Rate

1.7%

21 of 1,240 flights

Diversion Rate

0.0%

0 of 1,240 flights

Explore origin & destination

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

BTV - Burlington

Full on-time, delay-cause, and seasonal performance for Burlington, VT.

BTV 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 BTV and IAD side by side on delays, cancellations, and reliability.

Compare BTV vs IAD

Origin-hub reliability standing

Among BTV's stronger departures

BTV → IAD posts a 87.8% on-time rate, landing in the ≥85% band with 4 of 10 BTS-tracked routes leaving Burlington. The same hub also shows 6 mid-band and 0 challenged departures · fleet-wide on-time rank #446 of 4927 (highest on-time = #1).

What the Data Says About BTV to IAD

Burlington to Washington (BTV to IAD) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.8% on-time rate across 2,244 flights, with delays that do happen averaging 83.4 minutes. The corridor runs roughly 441 miles and is served by 9 carriers. Over the most recent 24 months, 21 of 1,240 flights were cancelled (1.7%) and 0 diverted (0.0%).

The monthly split is wide on this route: Jun 2024 posted the strongest performance at 98% on-time, while Jul 2025 came in at just 81% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, BTV–IAD peaks in September at 93.7% on-time while July carries the heaviest traffic (~61 flights per month) ; the softest month is January at 78.5%, a 15.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BTV to IAD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BTV to IAD ranks #3670 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 BTV to IAD? ▼
Flights from Burlington to Washington have a 87.8% on-time rate based on 2,244 flights. The average delay is 83.4 minutes. The best recent month was Jun 2024 with 98% on-time.
What is the cancellation rate for BTV to IAD? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (21 of 1,240 flights) and 0.0% were diverted.
How far is the flight from BTV to IAD? ▼
The flight distance from Burlington (BTV) to Washington (IAD) is approximately 441 miles. This route is served by 9 carriers.
When is the best time to fly from BTV to IAD? ▼
The best recent month for on-time performance was Jun 2024 (98% on-time). The worst was Jul 2025 (81% on-time). Consider booking during months with historically better performance.

Airports on this route

BTV Airport

Burlington
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 BTV–IAD data

BTV–IAD runs 8.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BTV and IAD airport profiles: delay causes and top routes differ even on the same corridor. BTV airport
  • If your dates flex, September (93.7% on-time) beats January (78.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.8% 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.

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.