Flight number record
UA 1981
United Airlines · Los Angeles to Newark
- Route
- LAX → EWR
- Departs
- 11:15
- Flights
- 314
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s UA 1981, check with United Airlines.
UA 1981 sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, 5 points worse than the national rate of 77.6%. The late ones land an hour and a half behind schedule. That rests on 314 flights, with a median arrival 6 minutes early.
The national on-time rate over the same period is 77.6%, so UA 1981 runs 5 points behind the country as a whole. Across a thousand flights that is about 53 extra late arrivals.
Key figures
On time
72.3%
Arrivals under 15 minutes late, of 307 completed flights
Avg delay
90 min
Across delayed arrivals only, not all flights
Cancelled
1.91%
National rate is 1.81%
1 hour+ late
13.0%
National rate is 8.1%
These figures cover 314 flights between July 2025 and June 2026. Beyond the headline rate, 13.0% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Schedule
When UA 1981 flies
UA 1981 flies LAX to EWR without a single fixed slot. Its most common scheduled departure was 11:15, used on 96 of 314 flights, with 11:40 (80 flights) and 11:45 (64 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 11:1596 flights30.6%
- Departs 11:4080 flights25.5%
- Departs 11:4564 flights20.4%
Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 11:15 departure sits in the 11am–2pm window. Across every US flight scheduled in that window the on-time rate is 78.8%, and UA 1981 runs 7 points worse at 72.3%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
Against the route
UA 1981 next to LAX to EWR
Every carrier on LAX to EWR combined arrived on time 79.6% of the time across 4,925 flights, so UA 1981 is 7 points behind it. United flew 3,539 flights on the same city pair under all its flight numbers, including this one, and those ran 78.7% on time. Across its whole network United Airlines managed 79.0%, which this flight trails by 7 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 1981thin sample | 314 | 72.3% | 90 min | 1.91% | C |
| All United Airlines on LAX–EWR | 3,539 | 78.7% | 79 min | 1.92% | B |
| All carriers on LAX–EWR | 4,925 | 79.6% | 76 min | 2.07% | B |
| United Airlines, whole network | 821,041 | 79.0% | 72 min | 1.01% | B |
Across the year
UA 1981 quarter by quarter
UA 1981 did not run the same all year. Its best quarter was Apr–Jun 2026 at 83.9% on time and its weakest Oct–Dec 2025 at 66.7%, a swing of 17 points on roughly 79 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202578 flights69.7%
- Oct–Dec 202591 flights66.7%
- Jan–Mar 202689 flights72.9%
- Apr–Jun 202656 flights83.9%
Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, UA 1981 did best on Monday at 81.8% on time and worst on Sunday at 61.9%. Each day rests on about 45 flights, so a gap of 20 points is worth noticing but could still narrow in another year.
Delay causes
Why UA 1981 runs late
One category carries most of the weight here. National Airspace System accounts for 50% of the 7,625 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 50%National Airspace System
- 26%Late-arriving aircraft
- 23%Carrier
- 2%Extreme weather
50% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 3,793 minutes out of 7,625, against a national NAS share of 21%. The split is drawn from 7,625 delay minutes reported on UA 1981.
Cancellations sit at 1.91% against a national 1.81%, which is ordinary. Diversions add another 0.32%.
Connections and routes
What a delay on this flight costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 13.0% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
At 2,454 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The same number turns up on six other city pairs in the data, including MCO to LAX (32), EWR to ORD (24) and IAD to LAX (22), but none flew often enough under UA 1981 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to LAX to EWR only.
One caution: this is a thin sample. 314 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking UA 1981
For a booking, UA 1981 is a flight to put a long connection behind. 13.0% of its completed flights arrived an hour or more late, which a short layover will not absorb. If the onward flight is on a separate ticket, the risk sits with you.
Related
Where to go next
- LAX to EWR, every carrier and departure
- EWR to LAX, the return direction
- United Airlines 2303 on the same route75.9%
- United Airlines 2397 on the same route88.1%
- United Airlines 2096 on the same route84.8%
- United Airlines 2127 on the same route72.1%
- United Airlines 1855 on the same route63.4%
- United Airlines 2743 on the same route93.5%
- Los Angeles International (LAX) delay statistics
- Newark Liberty International (EWR) delay statistics
- United Airlines on-time record
- Every United Airlines flight number with a record
- The most and least reliable flight numbers in the US
- How often a connection fails at the major US hubs
A flight number here means United Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.