AA1509American Airlines · BOS → ORD
live · 3m ago
Route confirmed American Airlines

AA1509 BostonBOS · 07:00 ChicagoORD · 09:05

AA1509 by American Airlines flies from Boston (BOS) to Chicago (ORD).

Right nowNext departure tomorrow Operates daily
07:00

scheduled from BOS

Typical gate push−5 minmedian posted departure
Typical arrival+4 minmedian over 4 operations

Where the minutes go

last 5 operations · gate push → arrival
0+39+78+117 min
10-31
−5 gate · +9 arrival
10-30
−4 gate · −1 arrival
10-29
−7 gate · −32 arrival
10-28
+60 gate · +117 arrival
10-27
−6 gate

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 +4 min · 0 cancelled · 5 operations tracked

The route today

live boards
BOSBostonOn-time likelyBOS delay board →
ORDChicagoOn-time likelyORD delay board →
BOS→ORDevery 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
2.5%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at BOS and ORD 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 Boston

Forecast

Mon 9 Nov, local date

High15°Clikely 13°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 Chicago

Forecast

Mon 9 Nov, local date

High15°Clikely 12°C to 18°C
Low3°Clikely 1°C to 5°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 Boston to Chicago flights today

same route · American Airlines
AA2146departs 05:43
AA3324departs 05:54
AA947departs 07:13
AA1239departs 08:16
AA2166departs 10:20
AA2600departs 10:29

If AA1509 is cancelled, these are the other American Airlines nonstop flights from Boston to Chicago on the same day, with scheduled departure times in BOS 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 AA1509 actually runs

Pro Flight Search has tracked every published board update for AA1509 across the BOS and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 3/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AA1509 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-31BOS 07:00 06:55 (−5)ORD 09:05 09:14 (+9)
10-30BOS 07:00 06:56 (−4)ORD 09:05 09:04 (−1)
10-29BOS 07:00 06:53 (−7)ORD 09:05 08:33 (−32)
10-28BOS 07:00 08:00 (+60)ORD 09:05 11:02 (+117)
10-27BOS 07:00 06:54 (−6)ORD 09:05

Board clocks recorded as BOS and ORD published them.

Planning around AA1509? 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: AA1509 Boston to Chicago on-time performance, measured from the BOS and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/AA1509
How we measure this →