AA1239American Airlines · BOS → ORD
updated 30m ago
Route confirmed American Airlines

AA1239 BostonBOS · 08:16 ChicagoORD · 10:30

AA1239 by American Airlines flies from Boston (BOS) to Chicago (ORD) for the Thu, Nov 5 departure.

Right nowLanded in Chicago · today
10:08

arrived at ORD · 22 min early

Typical gate push−9 minmedian posted departure
Typical arrival−30 minmedian over 5 operations
Wins back in air~21 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
11-05
−10 gate · −22 arrival
11-04
−14 gate · −36 arrival
11-03
−42 arrival
11-02
−8 gate · −29 arrival
11-01
−30 arrival
10-31
−1 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 −30 min · 0 cancelled · 6 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

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
50%Chance of 15+ min delay
4.9%Chance of cancellation
+14 minTypical airport delay in this weather

Driven mainly by BOS (Boston), currently flying MVFR (marginal visual). 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

Fri 6 Nov, local date

High21°Clikely 19°C to 22°C
Low17°Clikely 15°C to 19°C
  • 97% chance of rain

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

Fri 6 Nov, local date

High9°Clikely 8°C to 10°C
Low5°Clikely 2°C to 7°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
AA1509departs 07:00
AA947departs 07:13
AA2166departs 10:20
AA2600departs 10:29

If AA1239 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 AA1239 actually runs

Pro Flight Search has tracked every published board update for AA1239 across the BOS and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~30 min early. Based on 5 confirmed landings · 5/5 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 AA1239 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
11-05BOS 08:16 08:06 (−10)ORD 10:30 10:08 (−22)
11-04BOS 08:16 08:02 (−14)ORD 10:30 09:54 (−36)
11-03BOS 08:16ORD 10:30 09:48 (−42)
11-02BOS 08:16 08:08 (−8)ORD 10:30 10:01 (−29)
11-01BOS 08:16ORD 10:30 10:00 (−30)
10-31BOS 08:23 08:22 (−1)ORD

Board clocks recorded as BOS and ORD published them.

Planning around AA1239? 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: AA1239 Boston to Chicago on-time performance, measured from the BOS and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/AA1239
How we measure this →