AA3731American Airlines · ORD → BWI
live · 3m ago
Route confirmed American Airlines

AA3731 ChicagoORD · 14:49 BaltimoreBWI · 17:54

AA3731 by American Airlines flies from Chicago (ORD) to Baltimore (BWI).

Right nowNext departure today Operates daily
18:25

scheduled from ORD

Typical gate push+2 minmedian posted departure

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-08
−5 gate
09-07
+2 gate
09-06
−6 gate
09-05
+5 gate

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
ORDChicagoOn-time likelyORD delay board →
BWIBaltimoreOn-time likelyBWI delay board →
ORD→BWIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.7%Chance of cancellation
+13 minAvg hub delay right now

Conditions at ORD and BWI 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 Chicago to Baltimore flights today

same route · American Airlines
AA3446departs 06:51
AA3762departs 08:15
AA4758departs 14:34
AA4717departs 16:29
AA4663departs 18:20
AA4253departs 18:55

If AA3731 is cancelled, these are the other American Airlines nonstop flights from Chicago to Baltimore on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AA3731 actually runs

Pro Flight Search has tracked every published board update for AA3731 across the ORD and BWI boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AA3731 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
09-08ORD 14:49 14:44 (−5)BWI 17:54
09-07ORD 14:49 14:51 (+2)BWI 17:54
09-06ORD 15:04 14:58 (−6)BWI 18:09
09-05ORD 15:59 16:04 (+5)BWI 19:04

Board clocks recorded as ORD and BWI 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 — AA3731 Chicago to Baltimore on-time performance, measured from the ORD and BWI airport boards.

Canonical URL
https://proflightsearch.com/flight/AA3731
How we measure this →