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United Airlines

UAL4578 / UA4578

ICAO: UAL4578 IATA: UA4578

Flight schedule

Select flight date
Departure
Arrive
Aircraft
Effective
Avalibility
United Airlines
UAL4578
Duration
2h 03m
Distance
477 mi, 767 km
Coreshare
NZ 2950
Same day flight
Yes
Terminal
Arrival: T2
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
2h 03m
Distance
477 mi, 767 km
Coreshare
NZ 2950
Same day flight
Yes
Terminal
Arrival: T2
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 21m
Distance
289 mi, 465 km
Coreshare
AV 2101
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 21m
Distance
289 mi, 465 km
Coreshare
AV 2101
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 21m
Distance
289 mi, 465 km
Coreshare
AV 2101 /OS 7820
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 20m
Distance
289 mi, 465 km
Coreshare
LH 8979 /OS 7820 /SN 8977
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 14m
Distance
251 mi, 404 km
Coreshare
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 14m
Distance
251 mi, 404 km
Coreshare
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 20m
Distance
289 mi, 465 km
Coreshare
LH 8979 /OS 7820 /SN 8977
Same day flight
Yes
Terminal
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 33m
Distance
385 mi, 619 km
Coreshare
AC 4723
Same day flight
Yes
Terminal
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 16m
Distance
178 mi, 286 km
Coreshare
AC 4397 /NZ 2483
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
1h 16m
Distance
178 mi, 286 km
Coreshare
AC 5026
Same day flight
Yes
Terminal
Departure: T2
Meals
No meal service
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
2h 39m
Distance
720 mi, 1158 km
Coreshare
Same day flight
Yes
Terminal
Departure: TC
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
2h 39m
Distance
720 mi, 1158 km
Coreshare
Same day flight
Yes
Terminal
Departure: TC
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
2h 39m
Distance
720 mi, 1158 km
Coreshare
Same day flight
Yes
Terminal
Departure: TC
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
United Airlines
UAL4578
Duration
2h 39m
Distance
720 mi, 1158 km
Coreshare
Same day flight
Yes
Terminal
Departure: TC
Meals
Snack or brunch
Seats
50
First class
9
Economy
41
According to schedule
Live tracker
Svg Vector Icons : http://www.onlinewebfonts.com/icon
TYS
Knoxville, US
left TERMINAL N/A
Knoxville - TYS
THURSDAY 04-JUN-2026
10:20 GMT-0400
ORD
Chicago, US
arrives TERMINAL 2
Chicago - ORD
THURSDAY 04-JUN-2026
11:23 GMT-0500
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General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

716 miles, 1152 km

Actual distance

720 miles, 1158 km

0.56%
Flight time

2h 39m

Flights / Week

28 flights

Seats / Week

50 seats/flight

1400 seats/week

Upcoming scheduled flights in the coming 30 days

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  • Date
    Time
    From
    To
    Aircraft
    Status
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    04 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    05 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    06 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    07 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    08 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    09 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    10 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    11 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    12 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    13 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    14 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    15 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    16 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    17 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    18 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    19 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    20 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    21 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    22 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    23 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    24 Jun 2026
    10:20
    Knoxville(TYS)
    Chicago(ORD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    26 Jun 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    27 Jun 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    28 Jun 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    29 Jun 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    30 Jun 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    01 Jul 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578
  • Date:
    Time:
    From:
    To:
    Aircraft:
    Status:
    02 Jul 2026
    06:10
    Rochester(ROC)
    Dulles(IAD)
    Canadair (Bombardier) Regional Jet 550
    UA4578

UAL4578 information

A domestic route in USA departing from New York (EWR) and arriving at Chattanooga (CHA).

The timezones of the departure and arrival airports are identical, UTC -4.

The flight distance is 720 miles, or 1158 km.

For direct flights, the flight time is about 2:39.

Other flights between Knoxville and Chicago with United
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UA 2483
→
06:00
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→
06:00
UA 2805
→
07:00
UA 2753
→
07:00
UA 4680
→
10:18
UA 4584
→
10:18
UA 5840
→
10:18
UA 5272
→
10:40
UA 4511
→
10:42
UA 1577
→
10:45
UA 4543
→
10:50
UA 5921
→
13:54
UA 5617
→
13:54
UA 5654
→
13:55
UA 4548
→
13:59
UA 4404
→
14:00
UA 5693
→
17:41
UA 5469
→
17:45
UA 6000
→
18:02
UA 1081
→
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→
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