Air Canada
flight
AC 4821:
New Orleans - Newark Liberty, New York
New Orleans - Newark Liberty, New York
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-30 through 2026-05-14
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-15 through 2026-05-20
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-03-29 through 2026-04-04
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-06 through 2026-04-12
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-14 through 2026-04-20
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-22 through 2026-04-29
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-03-07
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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-
Codeshare flight, operated by United Airlines.
(UA 1340)
Duration: 2:53, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-03-21
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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-
Codeshare flight, operated by United Airlines.
(UA 1340)
Duration: 2:53, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-03-05 through 2026-03-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3475)
Duration: 3:05, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-03-11 through 2026-03-13
Mon
-
-
Tue
-
-
Wed
Thu
-
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Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3475)
Duration: 3:05, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-02-11
Mon
-
-
Tue
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Wed
Thu
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Fri
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-
Sat
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-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1844)
Duration: 2:59, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-02-12 through 2026-02-15
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 2:55, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-21 through 2026-05-27
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-31 through 2026-06-09
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-10 through 2026-06-17
Mon
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-19 through 2026-06-23
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-27 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-07-08 through 2026-07-14
Mon
-
-
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-07-16 through 2026-07-19
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2172)
Duration: 3:03, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3445)
Duration: 3:07, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-02-04
Mon
-
-
Tue
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Wed
Thu
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Fri
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Sat
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Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1866)
Duration: 2:56, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-01-07 through 2026-01-28
Mon
-
-
Tue
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Wed
Thu
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Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1866)
Duration: 2:56, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3438)
Duration: 3:00, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-02-25 through 2026-03-03
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 3438)
Duration: 3:00, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-01-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3445)
Duration: 3:07, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-01-06 through 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1866)
Duration: 2:56, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1866)
Duration: 2:57, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-01-09 through 2026-02-06
Mon
-
-
Tue
-
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Wed
-
-
Thu
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Fri
Sat
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-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1866)
Duration: 2:56, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4821
Valid until 2026-01-03
Mon
-
-
Tue
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Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3445)
Duration: 3:07, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-03-08 through 2026-03-17
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 2:56, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-03-14
Mon
-
-
Tue
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-
Wed
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Thu
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-
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3475)
Duration: 3:05, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-03-18 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 2:56, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
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Thu
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-
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 3475)
Duration: 3:05, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-02-14 through 2026-02-16
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2183)
Duration: 2:51, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-02-18
Mon
-
-
Tue
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Wed
Thu
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Fri
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-
Sat
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Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2183)
Duration: 2:50, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-02-22 through 2026-02-26
Mon
-
-
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2183)
Duration: 2:51, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Operates only on 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2183)
Duration: 2:51, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-03 through 2026-04-07
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:02, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-13 through 2026-04-15
Mon
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:02, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-04-21 through 2026-04-25
Mon
-
-
Tue
Wed
-
-
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:02, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-01 through 2026-05-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-16 through 2026-05-22
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-05-24 through 2026-05-30
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-01 through 2026-06-08
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-11 through 2026-06-18
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-20 through 2026-06-26
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-06-28 through 2026-07-05
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-07-07 through 2026-07-13
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective 2026-07-15 through 2026-07-22
Mon
Tue
Wed
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Effective from 2026-07-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2677)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4821
Valid until 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 3445)
Duration: 3:07, non-stop Embraer EMB 170 / EMB 175 (E70)
- AC 4821 is a domestic flight departing from the New Orleans airport (MSY) and arriving at Newark Liberty, New York airport (EWR).
- The flight distance is 1166 miles, or 1876 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:50 and 3:15.