Flight number record
UA 1110
United Airlines · Denver to San Antonio
- Route
- DEN → SAT
- Departs
- 17:45
- Flights
- 278
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s UA 1110, check with United Airlines.
UA 1110 sits in the middle of the pack with a C+. Close to three flights in four arrive on time by the DOT's definition, 3 points worse than the national rate of 77.6%. The late ones land about an hour behind schedule. That rests on 278 flights, with a median arrival 3 minutes early.
Key figures
On time
74.6%
Arrivals under 15 minutes late, of 276 completed flights
Avg delay
57 min
Across delayed arrivals only, not all flights
Cancelled
0.72%
National rate is 1.81%
1 hour+ late
8.3%
National rate is 8.1%
These figures cover 278 flights between July 2025 and June 2026. Beyond the headline rate, 8.3% 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 1110 flies
UA 1110 flies DEN to SAT without a single fixed slot. Its most common scheduled departure was 17:45, used on 70 of 278 flights, with 17:35 (37 flights) and 17:33 (37 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 17:4570 flights25.2%
- Departs 17:3537 flights13.3%
- Departs 17:3337 flights13.3%
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 17:45 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and UA 1110 runs 6 points better at 74.6%. 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 1110 next to DEN to SAT
Every carrier on DEN to SAT combined arrived on time 76.5% of the time across 3,030 flights, so UA 1110 is 2 points behind it. United flew 1,205 flights on the same city pair under all its flight numbers, including this one, and those ran 81.9% on time. Across its whole network United Airlines managed 79.0%, which this flight trails by 4 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 1110thin sample | 278 | 74.6% | 57 min | 0.72% | C+ |
| All United Airlines on DEN–SAT | 1,205 | 81.9% | 63 min | 0.25% | B+ |
| All carriers on DEN–SAT | 3,030 | 76.5% | 57 min | 0.23% | B+ |
| United Airlines, whole network | 821,041 | 79.0% | 72 min | 1.01% | B |
Across the year
UA 1110 quarter by quarter
UA 1110 did not run the same all year. Its best quarter was Jan–Mar 2026 at 86.2% on time and its weakest Jul–Sep 2025 at 52.7%, a swing of 34 points on roughly 93 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 flights52.7%
- Oct–Dec 202591 flights84.6%
- Jan–Mar 202666 flights86.2%
- Apr–Jun 202629 flights—
Scale runs 45% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, UA 1110 did best on Wednesday at 82.5% on time and worst on Saturday at 57.9%. Each day rests on about 40 flights, so a gap of 25 points is worth noticing but could still narrow in another year.
Delay causes
Why UA 1110 runs late
One category carries most of the weight here. Late-arriving aircraft accounts for 53% of the 3,960 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.
- 53%Late-arriving aircraft
- 27%Carrier
- 19%National Airspace System
- 1%Extreme weather
53% 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 3,960 reported delay minutes here, that single category outweighs weather by 52 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 3,960 delay minutes reported on UA 1110.
Cancellations are rare at 0.72%, below the national 1.81% 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
8.3% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
The 794 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. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.
The same number turns up on three other city pairs in the data, including EWR to BOS (41), FLL to ORD (24) and FCA to DEN (21), but none flew often enough under UA 1110 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to DEN to SAT only.
One caution: this is a thin sample. 278 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 1110
For a booking, read UA 1110 as 74.6% on time with 0.72% cancelled over 278 flights. Those are rates from the past twelve months, not a forecast for any particular day.
Related
Where to go next
- DEN to SAT, every carrier and departure
- SAT to DEN, the return direction
- United Airlines 1022 on the same route89.3%
- Denver International (DEN) delay statistics
- San Antonio International (SAT) 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.