Delta Air Lines
DL4090 Flight Status
Based on Trip.com’s real-time data, the DL4090 flight operated by Delta Air Lines on Oct 4, 2026 is scheduled to fly from Seattle (SEA) to Boise (BOI). The flight is expected to depart at 21:29 (local time in Seattle, UTC-7) and land at 23:28 (local time in Boise, UTC-6) .
Fri, Oct 2
Sun, Oct 4
Mon, Oct 5
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Arrived
The flight has arrived 19m early
1h 29m
Check-in Counter
ZONE 3
Boarding Gate
A7
Arrival Gate
B22
Baggage
--
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Scheduled
Your flight will depart on time.
1h 29m
Check-in Counter
ZONE 3
Boarding Gate
A6
Arrival Gate
B22
Baggage
--
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Scheduled
Your flight will depart on time.
1h 29m
Check-in Counter
ZONE 3
Boarding Gate
A1
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 Seattle to Boise or track other flights with our flight status tracker.
DL4090 Aircraft Details
According to Trip.com real-time data, the DL4090 flight flying from Seattle to Boise on 10/4/2026 is operated by the aircraft model Embraer 175. This aircraft has been in service for 7y, 4m. The aircraft is equipped with 76 seats.
Embraer 175
Punctuality (Departure)
77
%
Punctuality (Arrival)
87
%
Early on average
2 minutes
Age
7y, 4m
Seats
76
Distance
--
Economy
First
Premium Economy
Onboard Amenities
Snacks
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
79 cm
Legroom
46 cm
Seat width better than on 69% of flights
100°
Reclining Angle
2-2
Seat layout example
Onboard Amenities
Snacks
In-flight entertainment is unavailable
Wi-Fi (additional charge)
USB port and power outlet
Seating Plan
94 cm
More legroom than on 21% of flights
51 cm
Seat width
135°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi is available
No power outlets are available
Seating Plan
86 cm
Legroom
46 cm
Seat width better than on 61% of flights
120°
Reclining Angle
--
Seat layout example
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Flight History for DL4090
Trip.com historical records show that the last DL4090 flight departed on Fri, Oct 2 from SEA at approximately 21:42. This flight is expected to arrrive in BOI at 23:39.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Sep 25 | Seattle (SEA) | Boise (BOI) | E75L | 21:36 | 23:36 | Arrived |
| Sun, Sep 27 | Seattle (SEA) | Boise (BOI) | E75L | 21:36 | 23:39 | Arrived |
| Mon, Sep 28 | Seattle (SEA) | Boise (BOI) | E75L | 22:23 | 00:21 | Arrived |
| Thu, Oct 1 | Seattle (SEA) | Boise (BOI) | E75L | 21:41 | 23:39 | Arrived |
| Fri, Oct 2 | Seattle (SEA) | Boise (BOI) | E75L | 21:42 | 23:39 | Arrived |
| Sun, Oct 4 | Seattle (SEA) | Boise (BOI) | E75L | 21:29 | 23:28 | Scheduled |
| Mon, Oct 5 | Seattle (SEA) | Boise (BOI) | E7W | 21:29 | 23:58 | Scheduled |
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DL4090 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of DL4090 is 77% (Late on average 27 minutes), and the on-time arrival rate is 87% (Early on average 2 minutes).
On-Time Departures
Punctuality
77
%
Late on average
27 minutes
Early
0
%
On time
77
%
30 mins late
7
%
60 mins late
10
%
90 mins late
7
%
Cancelled
0
%
On-Time Arrivals
Punctuality
87
%
Early on average
2 minutes
Early
73
%
On time
13
%
30 mins late
7
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
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Frequently Asked Questions
-
What is the current status of flight dl4090?
Flight dl4090 has not departed yet and is currently on schedule. Scheduled departure 21:29, arrival 23:58 (updated Oct 4, 2026). -
Is flight dl4090 on time today?
Flight dl4090 has not departed yet and is currently on schedule. Scheduled departure is 21:29, with arrival at 23:58. Recheck gate and timing before you head to the airport. -
Has flight dl4090 departed yet? What is the departure time?
Flight dl4090 is scheduled to depart at 21:29. The latest actual or estimated departure time is 21:29, and the current status is Scheduled (updated Oct 4, 2026). -
When is flight dl4090 scheduled to arrive?
Flight dl4090 is scheduled to arrive at 23:58. The latest estimated or actual arrival time is 23:28. Status is Scheduled as of Oct 4, 2026. -
What route does flight dl4090 fly?
Flight dl4090 is operated by Delta Air Lines from Seattle (SEA) to Boise (BOI). Typical flight time is about 1 hour29 minutes; operating days may include Sunday. -
How can I check real-time status for flight dl4090?
Track flight dl4090 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 dl4090 is delayed or canceled, what should I do?
If dl4090 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 4, 2026). Contact Delta Air Lines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com. -
Has flight dl4090 departed from Seattle?
Flight dl4090 has not departed from Seattle (SEA) yet and is currently on schedule for 21:29. -
What is the seat configuration for flight dl4090?
Flight dl4090 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: Boise Weather & Time
Clear
|
12°C - 30°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Seattle 22:58
|
Boise 23:58
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