Flight number record
UA 407
United Airlines · Newark to Denver
- Route
- EWR → DEN
- Departs
- 18:50
- Flights
- 274
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s UA 407, check with United Airlines.
UA 407 draws a C. About one flight in three arrives at least 15 minutes late, and the typical late arrival is an hour and a half behind schedule. Build slack into anything you connect to. That rests on 274 flights, with a median arrival 1 minute early.
The national on-time rate over the same period is 77.6%, so UA 407 runs 11 points behind the country as a whole. Across a thousand flights that is about 114 extra late arrivals.
Key figures
On time
66.2%
Arrivals under 15 minutes late, of 269 completed flights
Avg delay
84 min
Across delayed arrivals only, not all flights
Cancelled
1.82%
National rate is 1.81%
1 hour+ late
14.9%
National rate is 8.1%
These figures cover 274 flights between July 2025 and June 2026. Beyond the headline rate, 14.9% 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 407 flies
UA 407 flies EWR to DEN without a single fixed slot. Its most common scheduled departure was 18:50, used on 49 of 274 flights, with 18:59 (49 flights) and 18:45 (42 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 18:5049 flights17.9%
- Departs 18:5949 flights17.9%
- Departs 18:4542 flights15.3%
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 18:50 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and UA 407 runs 2 points worse at 66.2%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.
Against the route
UA 407 next to EWR to DEN
Every carrier on EWR to DEN combined arrived on time 78.3% of the time across 3,368 flights, so UA 407 is 12 points behind it. Across its whole network United Airlines managed 79.0%, which this flight trails by 13 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 407thin sample | 274 | 66.2% | 84 min | 1.82% | C |
| All United Airlines on EWR–DEN | 3,368 | 78.3% | 73 min | 1.31% | B |
| All carriers on EWR–DEN | 3,368 | 78.3% | 73 min | 1.31% | B |
| United Airlines, whole network | 821,041 | 79.0% | 72 min | 1.01% | B |
Across the year
UA 407 quarter by quarter
UA 407 did not run the same all year. Its best quarter was Oct–Dec 2025 at 72.2% on time and its weakest Jul–Sep 2025 at 56.2%, a swing of 16 points on roughly 91 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 202592 flights56.2%
- Oct–Dec 202591 flights72.2%
- Jan–Mar 202629 flights—
- Apr–Jun 202662 flights67.7%
Scale runs 50% to 80%. Rows with fewer than 30 flights show a dash.
By weekday, UA 407 did best on Tuesday at 76.3% on time and worst on Thursday at 51.4%. Each day rests on about 39 flights, so a gap of 25 points is worth noticing but could still narrow in another year.
Delay causes
Why UA 407 runs late
One category carries most of the weight here. Late-arriving aircraft accounts for 46% of the 7,645 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.
- 46%Late-arriving aircraft
- 31%National Airspace System
- 17%Carrier
- 6%Extreme weather
46% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 7,645 reported delay minutes here, that single category outweighs weather by 8 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 7,645 delay minutes reported on UA 407.
Cancellations sit at 1.82% against a national 1.81%, which is ordinary. Diversions add another 0.00%.
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. 14.9% 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 1,605 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 four other city pairs in the data, including DEN to GJT (32), ORD to TVC (25) and DEN to FAR (21), but none flew often enough under UA 407 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to EWR to DEN only.
One caution: this is a thin sample. 274 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 407
For a booking, UA 407 is a flight to put a long connection behind. 14.9% 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
- EWR to DEN, every carrier and departure
- DEN to EWR, the return direction
- United Airlines 1197 on the same route67.4%
- United Airlines 1792 on the same route71.0%
- United Airlines 2120 on the same route80.4%
- Newark Liberty International (EWR) delay statistics
- Denver International (DEN) 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
- Why the first flight of the morning is statistically safest
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.