UA543 United Airlines - Flight Status
Codeshare Flights
The flight AC3741 from Air Canada (AC) is a codeshare flight operated by United Airlines (UA) under the flight number UA543. Check this page for details about flight UA543.
Below, you can find details about United Airlines flight UA543, which currently operates between the airports of Newark - Newark Liberty International Airport (Airport Code EWR) and Santa Ana - John Wayne Airport (Airport Code SNA).
This flight data pertains specifically to the flight's details for Wednesday, January 28, 2026.
Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA543
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA543
UA543 On Time performance:
89
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
UA543 United Airlines to Santa Ana
Landed - On-time
Flight Status for Wednesday January 28, 2026
This flight is also scheduled for Today (January 29, 2026). See it here
This flight is also scheduled for Tomorrow (January 30, 2026). See it here
Landed - On-time
Flight Status for Wednesday January 28, 2026
Departure
Newark (EWR)
January 28, 2026
Newark Liberty International Airport
Departed at:
06:35 am
Terminal:
C
Gate:
C103
Scheduled Departure Time: 06:35 am
Arrival
Santa Ana (SNA)
January 28, 2026
John Wayne Airport
Arrived at:
09:38 am
Terminal:
-
Gate:
9
Scheduled Arrival Time: 09:47 am
Baggage: 4
Disclaimer
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Codeshare Flights
This flight is shared with other airlines, this means that these other flights are the same:
- AC3741 - Air Canada
Additional Information
Which is the frequency of flight UA543?
The flight UA543 is scheduled to flight on daily basis.
Which is the distance of flight UA543?
The distance between the two airports is 2428 miles.
Which is the flight time of flight UA543?
The scheduled flight time gate to gate is: 06:12 hours.
The real flight time gate to gate on average is: 06:01 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Newark: 2026-01-29 01:42:08
Current Time in Santa Ana: 2026-01-28 22:42:08
The flight UA543 is scheduled to flight on daily basis.
Which is the distance of flight UA543?
The distance between the two airports is 2428 miles.
Which is the flight time of flight UA543?
The scheduled flight time gate to gate is: 06:12 hours.
The real flight time gate to gate on average is: 06:01 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Newark: 2026-01-29 01:42:08
Current Time in Santa Ana: 2026-01-28 22:42:08
Alternative Flights
The following airline serve the same route between Newark and Santa Ana:
United Airlines - Flight Number: UA2104. (On Time performance: 94 - Average Delay: 6 minutes)
United Airlines - Flight Number: UA2104. (On Time performance: 94 - Average Delay: 6 minutes)
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from January 06, 2026 to January 23, 2026, we have obtained these figures.
Total number of flights: 18
On Time: 16 ( 89 % )
Moderate Delay: 2 ( 11 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 2 minutes.
Total number of flights: 18
On Time: 16 ( 89 % )
Moderate Delay: 2 ( 11 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )
Average Delay: 2 minutes.
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights UA543
Date
Departure
Arrival
Duration
Aircraft
Status
Wednesday
28 January
28 January
06:35 am
Newark (EWR)
Newark (EWR)
09:38 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 03min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Tuesday
27 January
27 January
06:32 am
Newark (EWR)
Newark (EWR)
09:48 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 16min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
26 January
26 January
08:01 am
Newark (EWR)
Newark (EWR)
10:55 am
Santa Ana (SNA)
Santa Ana (SNA)
05h 54min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Sunday
25 January
25 January
06:30 am
Newark (EWR)
Newark (EWR)
10:01 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 31min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Saturday
24 January
24 January
06:28 am
Newark (EWR)
Newark (EWR)
09:44 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 16min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
23 January
23 January
06:20 am
Newark (EWR)
Newark (EWR)
09:40 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 20min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Thursday
22 January
22 January
06:22 am
Newark (EWR)
Newark (EWR)
09:42 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 20min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Wednesday
21 January
21 January
06:31 am
Newark (EWR)
Newark (EWR)
10:05 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 34min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Tuesday
20 January
20 January
06:27 am
Newark (EWR)
Newark (EWR)
09:36 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 09min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Monday
19 January
19 January
06:47 am
Newark (EWR)
Newark (EWR)
10:11 am
Santa Ana (SNA)
Santa Ana (SNA)
06h 24min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
