American Airlines AA4045 Flight Status
Based on Trip.com’s real-time data, the AA4045 flight operated by American Airlines on Sep 20, 2026 is scheduled to fly from Chicago (ORD) to Madison (MSN). The flight is expected to depart at 23:00 and land at 23:30 .
Sat, Sep 19
Sun, Sep 20
Mon, Sep 21
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Scheduled
Your flight will depart on time.
1h 17m
Check-in Counter
--
Boarding Gate
G1A
Arrival Gate
1
Baggage
--
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Scheduled
Your flight will depart on time.
1h 17m
Check-in Counter
--
Boarding Gate
L5
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
1h 17m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Chicago to Madison or track other flights with our flight status tracker.
Flight.News
A Flood Watch is in effect for Madison through Sunday morning. Moderate to heavy rain and potential storms may cause excessive rainfall and runoff, resulting in possible flooding of rivers, creeks, streams, and other low-lying or flood-prone locations. Monitor local weather conditions in Madison for updates.
Track the Previous Flight Status: Scheduled
AA3487
|
Missoula (MSO) 
Chicago (CHI)
Chicago (CHI)Scheduled: 17:30
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AA4045 Aircraft Details
According to Trip.com real-time data, the AA4045 flight flying from Chicago to Madison on 9/20/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 11y, 2m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
60%
Punctuality (Arrival)
90%
Early on average
12 minutes
Age
11y, 2m
Seats
76
Distance
--
Economy
Premium Economy
First
Onboard Amenities
None
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seating Plan
76 cm
Legroom
--
Seat width
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Meal included
Entertainment available, please bring your own device
Wi-Fi is available
No power outlets are available
Seating Plan
86 cm
More legroom than on 7% of flights
--
Seat width
100°
Reclining Angle
--
Seat layout example
Onboard Amenities
Snacks
Inflight entertainment is available
Wi-Fi is available
USB port and power outlet
Seating Plan
94 cm
Legroom
51 cm
Seat width better than on 7% of flights
120°
Reclining Angle
1-2
Seat layout example
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Flight History for AA4045
Trip.com historical records show that the last AA4045 flight departed on Sat, Sep 19 from ORD at approximately 23:00. This flight is expected to arrrive in MSN at 23:29.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Chicago (ORD) | Madison (MSN) | E75L | 00:36 | 01:06 | Arrived |
| Wed, Sep 16 | Chicago (ORD) | Madison (MSN) | E75L | 23:09 | 23:39 | Arrived |
| Thu, Sep 17 | Chicago (ORD) | Madison (MSN) | E75L | 23:57 | 00:29 | Arrived |
| Fri, Sep 18 | Chicago (ORD) | Madison (MSN) | E75L | 23:24 | 23:55 | Arrived |
| Sat, Sep 19 | Chicago (ORD) | Madison (MSN) | E170 | 23:00 | 23:29 | Scheduled |
| Sun, Sep 20 | Chicago (ORD) | Madison (MSN) | E75L | 23:00 | 23:30 | Scheduled |
| Mon, Sep 21 | Chicago (ORD) | Madison (MSN) | E170 | 23:00 | 00:17 | Scheduled |
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AA4045 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AA4045 is 60% (Late on average 32 minutes), and the on-time arrival rate is 90% (Early on average 12 minutes).
On-Time Departures
Punctuality
60%
Late on average 32 minutes
Early
0%
On time
60%
30 mins late
30%
60 mins late
0%
90 mins late
10%
Cancelled
0%
On-Time Arrivals
Punctuality
90%
Early on average 12 minutes
Early
70%
On time
20%
30 mins late
10%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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Frequently Asked Questions
What is the current status of flight aa4045?
Flight aa4045 has not departed yet and is currently on schedule. Scheduled departure 23:00, arrival 00:17 (updated Sep 20, 2026).Is flight aa4045 on time today?
Flight aa4045 has not departed yet and is currently on schedule. Scheduled departure is 23:00, with arrival at 00:17. Recheck gate and timing before you head to the airport.Has flight aa4045 departed yet? What is the departure time?
Flight aa4045 is scheduled to depart at 23:00. The latest actual or estimated departure time is 23:00, and the current status is Scheduled (updated Sep 20, 2026).When is flight aa4045 scheduled to arrive?
Flight aa4045 is scheduled to arrive at 00:17. The latest estimated or actual arrival time is 23:30. Status is Scheduled as of Sep 20, 2026.What is the gate information for flight aa4045?
For flight aa4045, the departure terminal is T3 and the boarding gate is L5. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight aa4045 fly?
Flight aa4045 is operated by American Airlines from Chicago (ORD) to Madison (MSN). Typical flight time is about 1 hour17 minutes; operating days may include Sunday.How can I check real-time status for flight aa4045?
Track flight aa4045 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight aa4045 is delayed or canceled, what should I do?
If aa4045 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact American Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight aa4045 departed from Chicago?
Flight aa4045 has not departed from Chicago (ORD) yet and is currently on schedule for 23:00.What is the seat configuration for flight aa4045?
Flight aa4045 usually flies a Embraer 175 with seat layout 2-2. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Destination Info: Madison Weather & Time
Cloudy
|
16°C - 19°C
Expected weather conditions upon arrival
0 hour time difference
Time on arrival: Chicago 23:30| Madison 23:30
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