United Airlines UA599 Flight Status (San Francisco to Denver)
According to Trip.com real-time data, the UA599 flight operated by United Airlines on Sep 21, 2026 is scheduled to fly from San Francisco (SFO) to Denver (DEN). The flight is expected to depart at 08:10 (local time in San Francisco, UTC-7) and land at 19:33 (local time in Denver, UTC-6) .
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Arrived
The flight has arrived 23m early
10h 23m
IAD
-47m
Check-in Counter
--
Boarding Gate
F11
Arrival Gate
B20
Baggage
16
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Scheduled
Your flight will depart on time.
10h 23m
IAD
1h 50m
Check-in Counter
--
Boarding Gate
F15
Arrival Gate
A36
Baggage
16
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Scheduled
Your flight will depart on time.
10h 23m
IAD
1h 4m
Check-in Counter
--
Boarding Gate
F22
Arrival Gate
--
Baggage
16
Information provided by VariFlight For real-time updates, please check airport displays or contact your airline.
Track the Previous Flight Status: Scheduled
UA2358
|
Indianapolis (IND) 
San Francisco (SFO)
San Francisco (SFO)Scheduled: 11:39
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UA599 Aircraft Details and Cabin Information - San Francisco to Denver on United Airlines
According to Trip.com real-time data, the UA599 flight flying from San Francisco to Denver on 9/21/2026 is operated by the aircraft model Boeing 777-200. This aircraft has been in service for 26y, 1m. The aircraft is equipped with 364 seats.
Boeing 777-200
Punctuality (Departure)
53%
Punctuality (Arrival)
77%
Late on average
2 minutes
Age
26y, 1m
Seats
364
Flight Distance
--
Economy
Business
In-Flight Services
None
Drop-down ceiling TVs
Wi-Fi is available
USB port and power outlet
Seat Information
79 cm
More legroom than on 61% of flights
44 cm
Seat width better than on 79% of flights
110°
Reclining Angle
--
Seat layout example
In-Flight Services
Meal included
Drop-down ceiling TVs
Wi-Fi is available
USB port and power outlet
Seat Information
193 cm
More legroom than on 67% of flights
48 cm
Seat width
180°
Reclining Angle Fully reclinable
--
Seat layout example
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UA599 Recent Flight History and Status - United Airlines
Trip.com historical records show that the last UA599 flight departed on Sun, Sep 20 from SFO at approximately 10:49. This flight is expected to arrrive in DEN at 19:10.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 16 | San Francisco (SFO) | Denver (DEN) | 772 | 09:12 | 20:29 | Arrived |
| Thu, Sep 17 | San Francisco (SFO) | Denver (DEN) | 789 | 08:49 | 19:56 | Arrived |
| Fri, Sep 18 | San Francisco (SFO) | Denver (DEN) | 772 | 08:35 | 18:43 | Arrived |
| Sat, Sep 19 | San Francisco (SFO) | Denver (DEN) | A21N | 08:35 | 18:53 | Arrived |
| Sun, Sep 20 | San Francisco (SFO) | Denver (DEN) | 772 | 10:49 | 19:10 | Arrived |
| Mon, Sep 21 | San Francisco (SFO) | Denver (DEN) | A21N | 08:10 | 19:33 | Scheduled |
| Tue, Sep 22 | San Francisco (SFO) | Denver (DEN) | 772 | 08:10 | 19:33 | Scheduled |
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UA599 On-Time Performance, Departure, and Arrival Trends
Review UA599 on-time performance based on recent trips, including departure punctuality, arrival punctuality, average delays, and early arrival trends to better understand overall flight reliability. Based on the average performance of UA599 flight over the past 30 trips, the on-time departure rate of UA599 is 53% (Late on average 37 minutes), while the on-time arrival rate is 77% (Late on average 2 minutes).
On-Time Departures
Punctuality
53%
Late on average 37 minutes
Early
0%
On time
53%
30 mins late
23%
60 mins late
20%
90 mins late
3%
Canceled
0%
On-Time Arrivals
Punctuality
77%
Late on average 2 minutes
Early
57%
On time
20%
30 mins late
17%
60 mins late
3%
90 mins late
3%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ua599?
Flight ua599 has not departed yet and is currently on schedule. Scheduled departure 08:10, arrival 19:33 (updated Sep 21, 2026).Is flight ua599 on time today?
Flight ua599 has not departed yet and is currently on schedule. Scheduled departure is 08:10, with arrival at 19:33. Recheck gate and timing before you head to the airport.Has flight ua599 departed yet? What is the departure time?
Flight ua599 is scheduled to depart at 08:10. The latest actual or estimated departure time is 08:10, and the current status is Scheduled (updated Sep 21, 2026).When is flight ua599 scheduled to arrive?
Flight ua599 is scheduled to arrive at 19:33. The latest estimated or actual arrival time is 19:33. Status is Scheduled as of Sep 21, 2026.What is the gate information for flight ua599?
For flight ua599, the departure terminal is T3 and the boarding gate is F15. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua599 fly?
Flight ua599 is operated by United Airlines from San Francisco (SFO) to Denver (DEN). Typical flight time is about 10 hours23 minutes; operating days may include Monday.How can I check real-time status for flight ua599?
Track flight ua599 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 ua599 is delayed or canceled, what should I do?
If ua599 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 21, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua599 departed from San Francisco?
Flight ua599 has not departed from San Francisco (SFO) yet and is currently on schedule for 08:10.
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Time on arrival: San Francisco 18:33| Denver 19:33
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