Air Seoul RS904 Flight Status
According to the latest from Trip.com for Air Seoul Flight RS904 from Jeju City to Seoul (CJU–GMP): Flight RS904 has landed safely at Gimpo International Airport (GMP) at 13:40 local time, arriving approximately 30m behind schedule.
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 15m early
1h 15m
Check-in Counter
64
Boarding Gate
8
Arrival Gate
3
Baggage
3
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Arrived
The flight has arrived 30m late
1h 15m
Check-in Counter
64
Boarding Gate
11
Arrival Gate
3
Baggage
3
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Canceled
Please refer to the airline for the latest information
Check-in Counter
64
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Flight got cancelled? Book an alternate flight to Seoul:
- Tue, Sep 22Jeju City (CJU)Seoul (SEL)
Eastar JetOne way38% offUS$24US$15 - Wed, Sep 23Jeju City (CJU)Seoul (SEL)
Trinity AirwaysOne way29% offUS$24US$17 - Thu, Oct 1Jeju City (CJU)Seoul (SEL) Trinity AirwaysOne way25% offUS$24US$18
- Fri, Oct 2Jeju City (CJU)Seoul (SEL) Trinity AirwaysOne way25% offUS$24US$18
- Fri, Sep 25Jeju City (CJU)Seoul (SEL) Trinity AirwaysOne way25% offUS$24US$18
- Thu, Sep 24Jeju City (CJU)Seoul (SEL) Trinity AirwaysOne way25% offUS$24US$18
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RS904 Aircraft Details
According to Trip.com real-time data, the RS904 flight flying from Jeju City to Seoul on 9/21/2026 is operated by the aircraft model Airbus A321. This aircraft has been in service for 19y, 10m. The aircraft is equipped with Up to 207 seats.
Airbus A321
Punctuality (Departure)
70%
Punctuality (Arrival)
90%
Late on average
0 minutes
Age
19y, 10m
Seats
Up to 207
Flight Distance
--
Economy
Business
In-Flight Services
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seat Information
--
Legroom
46 cm
Seat width better than on 64% of flights
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
None
Unknown
Wi-Fi is unavailable
Unknown
Seat Information
--
Legroom
56 cm
Seat width better than on 77% of flights
120°
Reclining Angle
--
Seat layout example
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Flight History for RS904
Trip.com historical records show that the last RS904 flight departed on Sun, Sep 20 from CJU at approximately 12:10. This flight is expected to arrrive in GMP at 12:55.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 16 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:22 | 13:12 | Arrived |
| Thu, Sep 17 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:10 | 13:03 | Arrived |
| Fri, Sep 18 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:18 | 13:10 | Arrived |
| Sat, Sep 19 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:13 | 12:58 | Arrived |
| Sun, Sep 20 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:10 | 12:55 | Arrived |
| Mon, Sep 21 | Jeju City (CJU) | Seoul (GMP) | 321 | 12:52 | 13:40 | Arrived |
| Tue, Sep 22 | Jeju City (CJU) | Seoul (GMP) | JET | -- | -- | Canceled |
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RS904 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of RS904 is 70% (Late on average 24 minutes), and the on-time arrival rate is 90% (Early on average 0 minutes).
On-Time Departures
Punctuality
70%
Late on average 24 minutes
Early
0%
On time
70%
30 mins late
27%
60 mins late
3%
90 mins late
0%
Canceled
4%
On-Time Arrivals
Punctuality
90%
Early on average 0 minutes
Early
60%
On time
30%
30 mins late
10%
60 mins late
0%
90 mins late
0%
Canceled
4%
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Cheap return flights to Jeju City
- Tue, Oct 6Seoul (SEL)Jeju City (CJU)
Jin AirOne way58% offUS$26US$11 - Sat, Sep 26Seoul (SEL)Jeju City (CJU) Eastar JetOne way42% offUS$26US$15
- Tue, Sep 29Seoul (SEL)Jeju City (CJU) Eastar JetOne way38% offUS$26US$16
- Mon, Sep 28Seoul (SEL)Jeju City (CJU) Trinity AirwaysOne way31% offUS$26US$18
- Sun, Sep 27Seoul (SEL)Jeju City (CJU) Eastar JetOne way27% offUS$26US$19
- Mon, Nov 9Seoul (SEL)Jeju City (CJU) Air SeoulOne way23% offUS$26US$20
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Frequently Asked Questions
What is the current status of flight rs904?
Flight rs904 has arrived (status: Arrived). Actual arrival 13:40 (updated Sep 21, 2026).Is flight rs904 on time today?
Flight rs904 has arrived (status: Arrived). Actual arrival was 13:40; follow airport screens for the baggage carousel.Has flight rs904 departed yet? What is the departure time?
Flight rs904 is scheduled to depart at 11:55. The latest actual or estimated departure time is 12:52, and the current status is Arrived (updated Sep 21, 2026).When is flight rs904 scheduled to arrive?
Flight rs904 is scheduled to arrive at 13:10. The latest estimated or actual arrival time is 13:40. Status is Arrived as of Sep 21, 2026.What is the gate information for flight rs904?
For flight rs904, the departure terminal is D and the boarding gate is 11. Gate assignments can change at short notice—confirm on airport screens before heading to security.What is the baggage carousel number for flight rs904?
After arrival, baggage for flight rs904 is expected at carousel 3 in terminal D. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight rs904 fly?
Flight rs904 is operated by Air Seoul from Jeju City (CJU) to Seoul (GMP). Typical flight time is about 1 hour15 minutes; operating days may include Monday.How can I check real-time status for flight rs904?
Track flight rs904 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 rs904 is delayed or canceled, what should I do?
If rs904 is delayed or canceled, first confirm the latest status here (Arrived, updated Sep 21, 2026). Contact Air Seoul or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight rs904 departed from Jeju City?
Flight rs904 has already left Jeju City and completed its journey. Departure was 12:52; actual arrival 13:40.What is the seat configuration for flight rs904?
Flight rs904 usually flies a Airbus A321 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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Arrival Info: Seoul Weather & Current Time
Clear
|
16°C - 31°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Jeju City 13:10| Seoul 13:10
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