United Airlines UA4890 Flight Status
Based on Trip.com’s real-time data, the UA4890 flight operated by United Airlines on Mar 20, 2026 is scheduled to fly from Houston (IAH) to Knoxville (TYS). The flight is expected to depart at 14:55 (local time in Houston, UTC-5) and land at 17:38 (local time in Knoxville, UTC-4) .
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
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Arrived
The flight has arrived 12m early
2h 15m
Check-in Counter
--
Boarding Gate
B23
Arrival Gate
11
Baggage
3
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Scheduled
Your flight will depart on time.
2h 15m
Check-in Counter
--
Boarding Gate
B26
Arrival Gate
--
Baggage
3
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Scheduled
Your flight will depart on time.
2h 15m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
Information provided by VariFlightVariFlight. For the latest updates, please refer to airport announcements or consult your airline. If this is not your flight, you can browse more options for flights from Houston to Knoxville to find your schedule.
Track the Previous Flight Status: Scheduled
UA4329
|
Brownsville (BRO) 
Houston (HOU)
Houston (HOU)Scheduled: 13:35
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UA4890 Aircraft Details
Embraer RJ 135/140/145
Punctuality (Departure)
70%
Punctuality (Arrival)
87%
Late on average
1 minute
Age
20y, 2m
Seats
50
Distance
--
Economy
Premium Economy
Onboard Amenities
Snacks
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seating Plan
79 cm
Legroom
--
Seat width
105°
Reclining Angle
1-2
Seat layout example
Onboard Amenities
None
In-flight entertainment is unavailable
Wi-Fi is unavailable
No power outlets are available
Seating Plan
97 cm
Legroom
--
Seat width
105°
Reclining Angle
--
Seat layout example
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Flight History for UA4890
Trip.com historical records show that the last UA4890 flight departed on Thu, Mar 19 from IAH at approximately 15:03. This flight is expected to arrrive in TYS at 17:58.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Mar 15 | Houston (IAH) | Knoxville (TYS) | E45X | 15:22 | 17:57 | Arrived |
| Mon, Mar 16 | Houston (IAH) | Knoxville (TYS) | E45X | 15:51 | 18:26 | Arrived |
| Tue, Mar 17 | Houston (IAH) | Knoxville (TYS) | E45X | 16:51 | 19:40 | Arrived |
| Wed, Mar 18 | Houston (IAH) | Knoxville (TYS) | E45X | 15:09 | 18:00 | Arrived |
| Thu, Mar 19 | Houston (IAH) | Knoxville (TYS) | E45X | 15:03 | 17:58 | Arrived |
| Fri, Mar 20 | Houston (IAH) | Knoxville (TYS) | E45X | 14:55 | 17:38 | Scheduled |
| Sat, Mar 21 | Houston (IAH) | Knoxville (TYS) | E45X | 14:55 | 18:10 | Scheduled |
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UA4890 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA4890 is 70% (Late on average 32 minutes), and the on-time arrival rate is 87% (Late on average 1 minute).
On-Time Departures
Punctuality
70%
Late on average 32 minutes
Early
0%
On time
70%
30 mins late
17%
60 mins late
7%
90 mins late
7%
Cancelled
1%
On-Time Arrivals
Punctuality
87%
Late on average 1 minute
Early
67%
On time
20%
30 mins late
7%
60 mins late
0%
90 mins late
7%
Cancelled
1%
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Destination Info: Knoxville Weather & Time
Clear
|
4°C - 20°C
Expected weather conditions upon arrival
1 hour time difference
Time on arrival: Houston 17:10| Knoxville 18:10
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