About 1 in 3 UA 353 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (35%); 1.8% were cancelled. The typical flight landed 0 minutes early.
UA 353: EWR → LAX
Scheduled to leave Newark at 6:45 p.m. local time. Over the past year it arrived on time 65% of the time (273 flights), in line with other UA flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 40 | 73% |
| Tuesday | 38 | 68% |
| Wednesday | 38 | 61% |
| Thursday | 39 | 56% |
| Friday | 39 | 67% |
| Saturday | 39 | 69% |
| Sunday | 40 | 63% |
Why it was late
All flights EWR → LAX · Connecting off UA 353? Check the risk
UA 353: PBI → EWR
Scheduled to leave West Palm Beach at 1:12 p.m. local time. Over the past year it arrived on time 71% of the time (184 flights), in line with other UA flights on the route at that hour (72%). Last seen in the data Jul 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 69% |
| Tuesday | 26 | 77% |
| Wednesday | 26 | 65% |
| Thursday | 27 | 74% |
| Friday | 27 | 85% |
| Saturday | 26 | 69% |
| Sunday | 26 | 58% |
Why it was late
All flights PBI → EWR · Connecting off UA 353? Check the risk
UA 353: LAX → ORD
Scheduled to leave Los Angeles at 10:35 p.m. local time. Over the past year it arrived on time 88% of the time (155 flights), in line with other UA flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 23 | 78% |
| Tuesday | 22 | 95% |
| Wednesday | 22 | 91% |
| Thursday | 21 | 90% |
| Friday | 22 | 95% |
| Saturday | 22 | 82% |
| Sunday | 23 | 83% |
Why it was late
All flights LAX → ORD · Connecting off UA 353? Check the risk
Questions
How often is UA 353 from EWR to LAX late?
United Airlines 353 from Newark, NJ to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 35% of 273 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.
How often is UA 353 from PBI to EWR late?
United Airlines 353 from West Palm Beach/Palm Beach, FL to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 29% of 184 scheduled flights between September 2025 and August 2026. 2.2% were cancelled.
How often is UA 353 from LAX to ORD late?
United Airlines 353 from Los Angeles, CA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 12% of 155 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.