AA4665American Airlines · DCA → BOS
live · 18m ago
Route confirmed American Airlines

AA4665 WashingtonDCA BostonBOS

AA4665 by American Airlines flies from Washington (DCA) to Boston (BOS).

Right nowNext departure tomorrow Operates daily
13:12

scheduled from DCA

The route today

live boards
DCAWashingtonOn-time likelyDCA delay board →
BOSBostonModerate riskBOS delay board →
DCA→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
63%Chance of 15+ min delay
12%Chance of cancellation
+48 minTypical airport delay in this weather

Driven mainly by BOS (Boston), currently flying LIFR (low instrument). These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Washington

Forecast

Sun 8 Nov, local date

High16°Clikely 15°C to 17°C
Low8°Clikely 6°C to 10°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Boston

Forecast

Sun 8 Nov, local date

High14°Clikely 13°C to 15°C
Low8°Clikely 7°C to 10°C
  • Gusts to 30 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Washington to Boston flights today

same route · American Airlines
AA4455departs 06:00
AA4789departs 06:00
AA3235departs 06:59
AA2447departs 07:00
AA1164departs 07:45
AA516departs 07:59

If AA4665 is cancelled, these are the other American Airlines nonstop flights from Washington to Boston on the same day, with scheduled departure times in DCA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AA4665 actually runs

Pro Flight Search has tracked every published board update for AA4665 across the DCA and BOS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at DCA and BOS.

The verdict above is that record speaking, so it reflects how AA4665 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around AA4665? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: AA4665 Washington to Boston on-time performance, measured from the DCA and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4665
How we measure this →