AA4434American Airlines · BUF → DCA
live · 3h ago
Route confirmed American Airlines

AA4434 BuffaloBUF · 05:00 WashingtonDCA · 06:19

AA4434 by American Airlines flies from Buffalo (BUF) to Washington (DCA).

Right nowNext departure today Operates daily
05:00

scheduled from BUF

⚖ AA4434 typically leaves +9 and lands −20. The air wins minutes back.
Typical gate push+9 minmedian posted departure
Typical arrival−20 minmedian over 9 operations
Wins back in air~29 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-14
+9 gate · −19 arrival
09-08
+9 gate · −21 arrival
09-07
+9 gate · −19 arrival
09-05
+10 gate · −28 arrival
09-04
+8 gate · −20 arrival
09-03
+13 gate · −4 arrival
09-02
+0 gate · −30 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −20 min · 0 cancelled · 9 operations tracked

The route today

live boards
BUFBuffaloOn-time likelyBUF delay board →
DCAWashingtonOn-time likelyDCA delay board →
BUF→DCAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
4.6%Chance of cancellation
+12 minAvg hub delay right now

Conditions at BUF and DCA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 Buffalo to Washington flights today

same route · American Airlines
AA4536departs 05:29
AA5096departs 05:30
AA4647departs 11:48
AA4597departs 11:59
AA5051departs 14:23
AA5075departs 17:38

If AA4434 is cancelled, these are the other American Airlines nonstop flights from Buffalo to Washington on the same day, with scheduled departure times in BUF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AA4434 actually runs

Pro Flight Search has tracked every published board update for AA4434 across the BUF and DCA boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min early. Based on 9 confirmed landings · 9/9 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how AA4434 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-14BUF 05:00 05:09 (+9)DCA 06:19 06:00 (−19)
09-08BUF 05:00 05:09 (+9)DCA 06:19 05:58 (−21)
09-07BUF 05:00 05:09 (+9)DCA 06:19 06:00 (−19)
09-05BUF 05:32 05:42 (+10)DCA 06:59 06:31 (−28)
09-04BUF 05:00 05:08 (+8)DCA 06:19 05:59 (−20)
09-03BUF 05:00 05:13 (+13)DCA 06:19 06:15 (−4)
09-02BUF 05:00 (+0)DCA 06:19 05:49 (−30)
09-01BUF 05:00 05:06 (+6)DCA 06:19 05:57 (−22)
08-31BUF 05:00 05:06 (+6)DCA 06:19 06:02 (−17)

Aircraft

Recent tails: N427YX, N403YX, N137HQ, N428YX.

Board clocks recorded as BUF and DCA published them.

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 — AA4434 Buffalo to Washington on-time performance, measured from the BUF and DCA airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4434
How we measure this →