American Airlines AA4321 Flight Status
Based on Trip.com’s real-time data, the AA4321 flight operated by American Airlines on Mar 27, 2026 is scheduled to fly from Chicago (ORD) to Waterloo (ALO). The flight is expected to depart at 22:34 and land at 23:21 .
Thu, Mar 26
Fri, Mar 27
Sat, Mar 28
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Arrived
The flight has arrived 28m late
1h 19m
Check-in Counter
--
Boarding Gate
L1A
Arrival Gate
1
Baggage
--
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Scheduled
Your flight will depart on time.
1h 19m
Check-in Counter
--
Boarding Gate
H8
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 19m
Check-in Counter
--
Boarding Gate
H8
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from Chicago to Waterloo to find your schedule.
AA4321 Aircraft Details
Embraer 170
Punctuality (Departure)
77%
Punctuality (Arrival)
90%
Early on average
3 minutes
Age
--
Seats
--
Distance
--
Economy
First
Onboard Amenities
None
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
--
Legroom
--
Seat width
--
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Snacks
Inflight entertainment is available
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
--
Legroom
--
Seat width
--
Reclining Angle
1-2
Seat layout example
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Flight History for AA4321
Trip.com historical records show that the last AA4321 flight departed on Thu, Mar 26 from ORD at approximately 23:27. This flight is expected to arrrive in ALO at 00:21.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Mar 22 | Chicago (ORD) | Waterloo (ALO) | E170 | 22:42 | 23:28 | Arrived |
| Mon, Mar 23 | Chicago (ORD) | Waterloo (ALO) | E170 | 23:33 | 00:26 | Arrived |
| Tue, Mar 24 | Chicago (ORD) | Waterloo (ALO) | E170 | 22:56 | 23:48 | Arrived |
| Wed, Mar 25 | Chicago (ORD) | Waterloo (ALO) | E170 | 22:41 | 23:26 | Arrived |
| Thu, Mar 26 | Chicago (ORD) | Waterloo (ALO) | E170 | 23:27 | 00:21 | Arrived |
| Fri, Mar 27 | Chicago (ORD) | Waterloo (ALO) | E170 | 22:34 | 23:21 | Scheduled |
| Sat, Mar 28 | Chicago (ORD) | Waterloo (ALO) | E170 | 22:34 | 23:53 | Scheduled |
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AA4321 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AA4321 is 77% (Late on average 27 minutes), and the on-time arrival rate is 90% (Early on average 3 minutes).
On-Time Departures
Punctuality
77%
Late on average 27 minutes
Early
3%
On time
73%
30 mins late
17%
60 mins late
0%
90 mins late
7%
Cancelled
2%
On-Time Arrivals
Punctuality
90%
Early on average 3 minutes
Early
73%
On time
17%
30 mins late
7%
60 mins late
3%
90 mins late
0%
Cancelled
2%
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- Thu, Apr 2Waterloo (ALO)Chicago (CHI) American AirlinesOne way15% off€375€318
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Destination Info: Waterloo Weather & Time
Mostly cloudy
|
-4°C - 21°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Chicago 23:21| Waterloo 23:21
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