Air Canada AC4988 Flight Status
According to Trip.com real-time data, the AC4988 flight operated by Air Canada on Sep 21, 2026, flying from San Francisco (SFO) to Chicago (ORD), departed at 00:49 and is expected to arrive at 06:29 (local time in Chicago, UTC-5) and land at O'Hare International Airport (ORD).
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Diverted
This flight will be diverted
4h 21m
Check-in Counter
--
Boarding Gate
F19
Arrival Gate
B14
Baggage
11
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En route
Your flight has departed San Francisco and is expected to arrive in Chicago at 06:29.
4h 21m
Check-in Counter
--
Boarding Gate
F16
Arrival Gate
C18A
Baggage
11
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Scheduled
Your flight will depart on time.
4h 21m
Check-in Counter
--
Boarding Gate
F21
Arrival Gate
B8
Baggage
11
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
AC4988 Aircraft Details
According to Trip.com real-time data, the AC4988 flight flying from San Francisco to Chicago on 9/21/2026 is operated by the aircraft model Airbus A321neo. This aircraft has been in service for 1y. The aircraft is equipped with 200 seats.
Airbus A321neo
Punctuality (Departure)
90%
Punctuality (Arrival)
97%
Late on average
2 minutes
Age
1y
Seats
200
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
76 cm
Legroom
47 cm
Seat width better than on 81% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
More legroom than on 8% of flights
53 cm
Seat width better than on 63% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
Meal included
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
84 cm
Legroom
47 cm
Seat width better than on 81% of flights
110°
Reclining Angle
--
Seat layout example
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Flight History for AC4988
Check more records from Trip.com about AC4988 before and after today
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Sep 17 | San Francisco (SFO) | Chicago (ORD) | A21N | 01:36 | 07:24 | Arrived |
| Fri, Sep 18 | San Francisco (SFO) | Chicago (ORD) | A21N | 00:47 | 06:27 | Arrived |
| Sun, Sep 20 | San Francisco (SFO) | Chicago (ORD) | A21N | 00:42 | 06:23 | Diverted |
| Mon, Sep 21 | San Francisco (SFO) | Chicago (ORD) | A21N | 00:49 | 06:29 | En route |
| Tue, Sep 22 | San Francisco (SFO) | Chicago (ORD) | A21N | 00:35 | 06:56 | Scheduled |
| Wed, Sep 23 | San Francisco (SFO) | Chicago (ORD) | A21N | 00:35 | 06:56 | Scheduled |
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AC4988 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of AC4988 is 90% (Late on average 16 minutes), and the on-time arrival rate is 97% (Late on average 2 minutes).
On-Time Departures
Punctuality
90%
Late on average 16 minutes
Early
0%
On time
90%
30 mins late
7%
60 mins late
3%
90 mins late
0%
Canceled
0%
On-Time Arrivals
Punctuality
97%
Late on average 2 minutes
Early
90%
On time
7%
30 mins late
0%
60 mins late
0%
90 mins late
3%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ac4988?
Flight ac4988 has departed (status: En route). Departure 00:49, estimated arrival 06:29 (updated Sep 21, 2026).Is flight ac4988 on time today?
Flight ac4988 has already departed (status: En route). It took off at 00:49 and is estimated to arrive at 06:29.Has flight ac4988 departed yet? What is the departure time?
Flight ac4988 is scheduled to depart at 00:35. The latest actual or estimated departure time is 00:49, and the current status is En route (updated Sep 21, 2026).When is flight ac4988 scheduled to arrive?
Flight ac4988 is scheduled to arrive at 06:56. The latest estimated or actual arrival time is 06:29. Status is En route as of Sep 21, 2026.What is the gate information for flight ac4988?
For flight ac4988, the departure terminal is T3 and the boarding gate is F16. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight ac4988?
After arrival, baggage for flight ac4988 is expected at carousel 11 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ac4988 fly?
Flight ac4988 is operated by Air Canada from San Francisco (SFO) to Chicago (ORD). Typical flight time is about 4 hours21 minutes; operating days may include Monday.How can I check real-time status for flight ac4988?
Track flight ac4988 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 ac4988 is delayed or canceled, what should I do?
If ac4988 is delayed or canceled, first confirm the latest status here (En route, updated Sep 21, 2026). Contact Air Canada or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ac4988 departed from San Francisco?
Flight ac4988 has departed from San Francisco (SFO) at 00:49 (status: En route).What is the seat configuration for flight ac4988?
Flight ac4988 usually flies a Airbus A321neo with seat layout 3-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Time on arrival: San Francisco 04:56| Chicago 06:56
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