Flight profile · United Airlines
UA1700
Los Angeles (LAX) to Newark (EWR) · scheduled 4:30 PM – 1:00 AM
How UA1700 performs
893 operations, July 2023 – July 2026.
Source: US DOT Bureau of Transportation Statistics · 893 operations, July 2023 – July 2026 · If UA1700 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
Where UA1700 is right now
A live reading, only if you ask for it. It is not part of the reliability record above.
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| UA1700 | 79.8% | 2.02% | -16 min | 11.0% | 893 |
| United Airlines on LAX → EWR | 79.0% | 1.96% | -10 min | 9.0% | 10,224 |
| All LAX → EWR flights | 79.6% | 1.90% | -10 min | 8.5% | 16,286 |
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026
Why UA1700 runs late
Where US DOT attributed the delay minutes on this flight.
the inbound aircraft was late, so this flight started late
crew, maintenance, boarding and fueling, all within the carrier’s control
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for UA1700 on LAX → EWR. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies UA1700 comes in late, and what that does to the departure.
When the aircraft came in 15 or more minutes late, UA1700 pushed back an average of 20 minutes late; when it came in on time or early, an average of 3 minutes late.
Each departure is matched to the flight the same aircraft flew into LAX just before it, using the tail number in the DOT file, 689 of 876 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late | Left 15+ late after a late inbound | Left 15+ late after an on-time inbound |
|---|---|---|---|
| UA1700 | 26% | 35% | 9% |
| Network, same turn | 23% | 40% | 9% |
The schedule leaves a long gap on the ground, which gives a late aircraft room to catch up before this flight pushes back.
The network row is every flight with a scheduled turn of 90 minutes to 3 hours. How often UA1700’s aircraft landed 15 or more minutes late is about the same as the network’s and, once the aircraft was late, how often UA1700 left 15 or more minutes late is lower than the network’s.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
From pushback to gate
When it leaves LAX late, does that still matter by the time it reaches EWR?
UA1700 pushes back an average of 19.2 minutes late and reaches the gate at EWR an average of 0.2 minutes early. The 19.3 minutes between those two figures are slack the published schedule already carries, which is why a late pushback on this flight does not reliably become a late arrival. Its 17.4 minutes on the taxiways at LAX is about what any departure from the airport in that hour spends.
On arrival at EWR, UA1700 spends 8.5 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 1.7 minutes shorter than a typical EWR arrival (10.1 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached EWR. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 29,575 departures from LAX scheduled in the clock hour UA1700 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at EWR (387,854 flights), not just UA1700’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026
The hour it leaves LAX
Part of any flight’s record belongs to the clock rather than to the flight. UA1700 has one departure time, so this is what that time is worth.
On-time arrival rate. 29,575 departures from LAX are scheduled in the 4 PM–5 PM hour over the period, against 595,153 across the whole day.
UA1700 is scheduled out of LAX at 4:30 PM, in the 4 PM–5 PM bank. Departures from LAX in that hour arrive on time 79.3% of the time against 81.4% across the airport’s whole day, so the hour UA1700 leaves in is an ordinary one for LAX and explains nothing about its record either way.
The two airport figures cover every departure from LAX to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Hours below 120 departures are not scored.
By day of week
Does UA1700 run worse on particular days?
Tuesday is historically the most reliable day and Sunday the least, a gap of 12.0 percentage points.
Source: FlyerIntel analysis of US DOT BTS data · July 2023 – July 2026 · Days with fewer than 120 operations are not scored.
Other routes UA1700 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| ORF→ORD Norfolk to Chicago | January 6, 2026 – February 11, 2026 | 37 | — |
| SFO→ONT San Francisco to Ontario | May 26, 2024 | 1 | — |
| MKE→DEN Milwaukee to Denver | January 10, 2024 – February 14, 2024 | 36 | — |
| MSY→IAH New Orleans to Houston | January 9, 2024 | 1 | — |
| ORD→MSP Chicago to Minneapolis | January 1–8, 2024 | 5 | — |
| IAH→LAX Houston to Los Angeles | January 2, 2024 | 1 | — |
| PHL→ORD Philadelphia to Chicago | December 21–31, 2023 | 10 | — |
| ORD→PHL Chicago to Philadelphia | December 21–31, 2023 | 9 | — |
| PDX→ORD Portland to Chicago | November 28, 2023 – December 20, 2023 | 23 | — |
| IAH→EWR Houston to Newark | August 10, 2023 | 1 | — |
Because the same number has served different journeys, the statistics above describe only the route UA1700 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
66 min late
against a median of 16 min early
UA1700 has an average that understates its risk: a typical arrival is 16 min early, but the worst tenth are 82 minutes worse than that. If the trip has something unmissable at the end of it, the median is the wrong number to plan against.
Percentiles over 893 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering July 2023 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| AS284 | Alaska Airlines | 84.9% | 12 min early | 949 |
| UA2096 | United Airlines | 80.5% | 9 min early | 811 |
| UA1700 this flight | United Airlines | 79.8% | 16 min early | 893 |
| AS286 | Alaska Airlines | 71.8% | 4 min early | 637 |
| UA1855 | United Airlines | 64.8% | 2 min late | 606 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. UA1700 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 893 records of UA1700 operating LAX → EWR, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
Analysis last recomputed