Flight number record
UA 1191
United Airlines · Burbank to Denver
- Route
- BUR → DEN
- Departs
- 09:00
- Flights
- 343
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s UA 1191, check with United Airlines.
UA 1191 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 14 points better than the national rate of 77.3%. When something does go wrong the average delay runs an hour and a half. That rests on 343 flights, with a median arrival 16 minutes early.
Set against the rest of the country, UA 1191's record is 14 points better than the US average of 77.3%. That gap is worth roughly 142 fewer late arrivals for every thousand flights.
Key figures
On time
91.5%
Arrivals under 15 minutes late, of 341 completed flights
Avg delay
82 min
Across delayed arrivals only, not all flights
Cancelled
0.29%
National rate is 1.89%
1 hour+ late
3.5%
National rate is 8.3%
These figures cover 343 flights between September 2025 and August 2026. The median arrival is 16 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 1191 flies
UA 1191 flies BUR to DEN without a single fixed slot. Its most common scheduled departure was 09:00, used on 149 of 343 flights, with 09:08 (82 flights) and 09:06 (36 flights) next.
- Departs 09:00149 flights43.4%
- Departs 09:0882 flights23.9%
- Departs 09:0636 flights10.5%
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 09:00 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 83.9%, and UA 1191 runs 8 points better at 91.5%. 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 1191 next to BUR to DEN
Every carrier on BUR to DEN combined arrived on time 84.9% of the time across 2,127 flights, so UA 1191 is 7 points ahead of it. United flew 825 flights on the same city pair under all its flight numbers, including this one, and those ran 87.5% on time. Across its whole network United Airlines managed 78.8%, which this flight beats by 13 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| UA 1191thin sample | 343 | 91.5% | 82 min | 0.29% | A+ |
| All United Airlines on BUR–DEN | 825 | 87.5% | 79 min | 0.24% | A+ |
| All carriers on BUR–DEN | 2,127 | 84.9% | 68 min | 0.42% | B+ |
| United Airlines, whole network | 830,825 | 78.8% | 73 min | 1.02% | B |
Across the year
UA 1191 quarter by quarter
Quarter by quarter UA 1191 held fairly steady: 93.3% in Jul–Sep 2025, 89.0% in Oct–Dec 2025, 87.6% in Jan–Mar 2026, 95.6% in Apr–Jun 2026 and 95.1% in Jul–Sep 2026. A spread of 8 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.
- Jul–Sep 202530 flights93.3%
- Oct–Dec 202591 flights89.0%
- Jan–Mar 202690 flights87.6%
- Apr–Jun 202691 flights95.6%
- Jul–Sep 202641 flights95.1%
Scale runs 80% to 100%.
By weekday, UA 1191 ranged from 85.7% on Friday to 96.0% on Monday. With about 49 flights behind each day, a spread of 10 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late UA 1191 runs when it is late
UA 1191 often beats the schedule: 186 of 341 completed flights, 55%, arrived 15 minutes or more early. The 29 late arrivals split 9 under half an hour, 8 between 30 and 60 minutes, and 12 an hour or more.
- 15+ min early186 flights54.5%
- Within 15 min126 flights37.0%
- 15–29 min late9 flights2.6%
- 30–59 min late8 flights2.3%
- 1–2 hours late7 flights2.1%
- 2+ hours late5 flights1.5%
Scale runs 0% to 100%.
Share of 341 completed flights by arrival against schedule.
A late pushback is often recovered here: of 30 departures that left 15 minutes late or more, 10 still arrived on time. 9 flights left on time and still arrived late.
The worst days
Worst days for UA 1191
The latest arrival of the period was on 1 January 2026, 6 hours 21 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. On three of the five worst days the largest share was filed as carrier-caused (crew, maintenance, fuelling, baggage).
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 1 January 2026 | 6 hours 21 minutes | Late-arriving aircraft |
| 12 July 2026 | 6 hours 6 minutes | Carrier |
| 16 January 2026 | 3 hours 28 minutes | Carrier |
| 17 February 2026 | 2 hours 53 minutes | National Airspace System |
| 24 December 2025 | 2 hours 4 minutes | Carrier |
Delay causes
Why UA 1191 runs late
National Airspace System accounts for 43% of the 2,385 delay minutes carriers reported here, and the remaining four split what is left.
- 43%National Airspace System
- 38%Carrier
- 19%Late-arriving aircraft
The largest share of delay minutes, 38%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 899 of the 2,385 delay minutes reported here. The split is drawn from 2,385 delay minutes reported on UA 1191.
Cancellations are rare at 0.29%, 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
Badly late arrivals are rare here: only 3.5% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The 850 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 three other city pairs in the data, including DEN to BZN (36), ORD to SAV (21) and SNA to ORD (21), but none flew often enough under UA 1191 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to BUR to DEN only.
One caution: this is a thin sample. 343 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 1191
For a booking, UA 1191 has one of the better records a US domestic flight can show: 91.5% on time and 0.29% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- BUR to DEN, every carrier and departure
- DEN to BUR, the return direction
- United Airlines 2187 on the same route78.8%
- Hollywood Burbank (BUR) 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
- Worst months to fly in the US, ranked by the data
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.