Flight number record
UA 2476
United Airlines · San Diego to Denver
- Route
- SAN → DEN
- Departs
- 08:45
- Flights
- 365
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s UA 2476, check with United Airlines.
UA 2476 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 11 points better than the national rate of 77.3%. When something does go wrong the average delay runs close to two hours. That rests on 365 flights, with a median arrival 14 minutes early.
Set against the rest of the country, UA 2476's record is 11 points better than the US average of 77.3%. That gap is worth roughly 114 fewer late arrivals for every thousand flights.
Key figures
On time
88.7%
Arrivals under 15 minutes late, of 363 completed flights
Avg delay
113 min
Across delayed arrivals only, not all flights
Cancelled
0.55%
National rate is 1.89%
1 hour+ late
6.1%
National rate is 8.3%
These figures cover 365 flights between September 2025 and August 2026. The median arrival is 14 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Schedule
When UA 2476 flies
UA 2476 flies SAN to DEN without a single fixed slot. Its most common scheduled departure was 08:45, used on 175 of 365 flights, with 09:00 (109 flights) next.
- Departs 08:45175 flights47.9%
- Departs 09:00109 flights29.9%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 08:45 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 83.9%, and UA 2476 runs 5 points better at 88.7%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
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Against the route
UA 2476 next to SAN to DEN
Every carrier on SAN to DEN combined arrived on time 78.4% of the time across 6,134 flights, so UA 2476 is 10 points ahead of it. United flew 2,067 flights on the same city pair under all its flight numbers, including this one, and those ran 85.7% on time. Across its whole network United Airlines managed 78.8%, which this flight beats by 10 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 2476 | 365 | 88.7% | 113 min | 0.55% | A+ |
| All United Airlines on SAN–DEN | 2,067 | 85.7% | 72 min | 0.63% | A+ |
| All carriers on SAN–DEN | 6,134 | 78.4% | 63 min | 1.03% | B |
| United Airlines, whole network | 830,825 | 78.8% | 73 min | 1.02% | B |
Across the year
UA 2476 quarter by quarter
Quarter by quarter UA 2476 held fairly steady: 90.0% in Jul–Sep 2025, 90.1% in Oct–Dec 2025, 86.7% in Jan–Mar 2026, 90.0% in Apr–Jun 2026 and 87.1% in Jul–Sep 2026. A spread of 3 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.
- Jul–Sep 202530 flights90.0%
- Oct–Dec 202592 flights90.1%
- Jan–Mar 202690 flights86.7%
- Apr–Jun 202691 flights90.0%
- Jul–Sep 202662 flights87.1%
Scale runs 80% to 95%.
By weekday, UA 2476 ranged from 82.7% on Thursday to 94.2% on Saturday. With about 52 flights behind each day, a spread of 12 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late UA 2476 runs when it is late
UA 2476 often beats the schedule: 175 of 363 completed flights, 48%, arrived 15 minutes or more early. When UA 2476 is late it tends to be very late: 22 of its 41 late arrivals were an hour or more behind, and 12 were two hours or more.
- 15+ min early175 flights48.2%
- Within 15 min147 flights40.5%
- 15–29 min late14 flights3.9%
- 30–59 min late5 flights1.4%
- 1–2 hours late10 flights2.8%
- 2+ hours late12 flights3.3%
Scale runs 0% to 100%.
Share of 363 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 37 departures that left 15 minutes late or more, only 1 made it up before arrival. Only 5 left on time and still arrived late.
The worst days
Worst days for UA 2476
The latest arrival of the period was on 9 April 2026, 11 hours 49 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The same cause led on four of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 9 April 2026 | 11 hours 49 minutes | Late-arriving aircraft |
| 20 August 2026 | 10 hours 29 minutes | Late-arriving aircraft |
| 28 April 2026 | 6 hours 32 minutes | Late-arriving aircraft |
| 10 December 2025 | 4 hours 3 minutes | Carrier |
| 19 December 2025 | 3 hours 49 minutes | Late-arriving aircraft |
Delay causes
Why UA 2476 runs late
Late-arriving aircraft accounts for 47% of the 4,635 delay minutes carriers reported here, and the remaining four split what is left.
- 47%Late-arriving aircraft
- 33%Carrier
- 20%National Airspace System
- 0%Extreme weather
47% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 4,635 reported delay minutes here, that single category outweighs weather by 47 to one. The split is drawn from 4,635 delay minutes reported on UA 2476.
Cancellations are rare at 0.55%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
6.1% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last close to two hours, which a normal layover absorbs.
The 853 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The same number turns up on six other city pairs in the data, including DEN to CLE (100), DEN to CHS (77) and DEN to TPA (55), but none flew often enough under UA 2476 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to SAN to DEN only.
One caution: this is a thin sample. 365 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 2476
For a booking, UA 2476 has one of the better records a US domestic flight can show: 88.7% on time and 0.55% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- SAN to DEN, every carrier and departure
- DEN to SAN, the return direction
- United Airlines 682 on the same route73.9%
- Frontier Airlines 2818 on the same route85.9%
- United Airlines 1337 on the same route89.4%
- United Airlines 519 on the same route86.3%
- San Diego International (SAN) 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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.