AA3546American Airlines · STL → BOS
live · 10m ago
Route confirmed American Airlines

AA3546 St LouisSTL · 10:00 BostonBOS · 13:44

AA3546 by American Airlines flies from St Louis (STL) to Boston (BOS).

Right nowNext departure tomorrow Operates daily
06:59

scheduled from STL

Typical gate push+4 minmedian posted departure
Typical arrival−22 minmedian over 4 operations
Wins back in air~26 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-31
+1 gate · −15 arrival
10-30
+0 gate · −31 arrival
10-29
+12 gate · −14 arrival
10-28
+6 gate · −29 arrival

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

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
BOSBostonOn-time likelyBOS delay board →
STL→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
1.8%Chance of cancellation
+7 minTypical airport delay in this weather

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

Forecast

Wed 11 Nov, local date

High20°Clikely 18°C to 22°C
Low9°Clikely 7°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 BOS

Forecast

Wed 11 Nov, local date

High14°Clikely 13°C to 15°C
Low8°Clikely 6°C to 9°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.

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 St Louis to Boston flights today

same route · American Airlines
AA3444departs 09:50
AA4801departs 13:10
AA4512departs 18:10
AA4678departs 18:20

If AA3546 is cancelled, these are the other American Airlines nonstop flights from St Louis to Boston on the same day, with scheduled departure times in STL 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 AA3546 actually runs

Pro Flight Search has tracked every published board update for AA3546 across the STL and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~29 min early. Based on 3 confirmed landings · 3/3 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 AA3546 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
10-31STL 10:00 10:01 (+1)BOS 13:44 13:29 (−15)
10-30STL 10:00 (+0)BOS 13:44 13:13 (−31)
10-29STL 10:00 10:12 (+12)BOS 13:44 13:30 (−14)
10-28STL 10:00 10:06 (+6)BOS 13:44 13:15 (−29)

Aircraft

Recent tails: N283NN, N320BK, N333RQ, N319RG.

Board clocks recorded as STL and BOS published them.

Planning around AA3546? 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: AA3546 St Louis to Boston on-time performance, measured from the STL and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/AA3546
How we measure this →