Flight profile · United Airlines
UA2412
Baltimore (BWI) to Denver (DEN) · scheduled 8:30 AM – 10:25 AM
How UA2412 performs
622 operations, August 2024 – July 2026.
UA2412 arrived on time 89.5% of the time, against 76.6% for all BWI → DEN flights, so this departure is 12.9 percentage points better than the route as a whole. Against United Airlines’ own flights on this route it is 4.0 points better.
Source: US DOT Bureau of Transportation Statistics · 622 operations, August 2024 – July 2026 · If UA2412 is cancelled or significantly changed, DOT’s automatic refund rule may entitle you to your money back. The refund checker walks through eligibility.
What stands out
How UA2412 compares to other flight numbers, not just to itself.
This flight runs unusually far ahead of the BWI → DEN route as a whole, better than 95% of 11,788 comparable flight numbers.
89.5% on time for this specific departure, against 76.6% for every BWI → DEN flight.
Source: FlyerIntel analysis of US DOT BTS data · August 2024 – July 2026 · The one thing about this specific departure that ranks most extreme against every other published flight number, out of everything FlyerIntel checks — shown only when something clears a real statistical bar, not for every flight.
Where UA2412 is right now
A live reading, only if you ask for it. It is not part of the reliability record above.
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Against the rest of the route
| Flight or route | On time | Cancelled | Median delay | Severe | Flights |
|---|---|---|---|---|---|
| UA2412 | 89.5% | 0.48% | -9 min | 2.1% | 622 |
| United Airlines on BWI → DEN | 85.5% | 0.76% | -10 min | 5.1% | 2,890 |
| All BWI → DEN flights | 76.6% | 1.04% | -4 min | 7.0% | 9,369 |
Source: FlyerIntel analysis of US DOT BTS data · August 2024 – July 2026
Why UA2412 runs late
Where US DOT attributed the delay minutes on this flight.
crew, maintenance, boarding and fueling, all within the carrier’s control
the inbound aircraft was late, so this flight started late
airspace and airport capacity, including weather-driven flow control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for UA2412 on BWI → DEN. Only delays of 15 minutes or more are attributed.
Source: US DOT Bureau of Transportation Statistics · Data covering August 2024 – July 2026
Does a late aircraft delay this flight?
How often the plane that flies UA2412 comes in late, and what that does to the departure.
The aircraft flying UA2412 came in 15 or more minutes late on 18% of the departures where its previous flight is known. There are not enough departures in both groups to say how the flight left after a late one and after an on-time one.
Each departure is matched to the flight the same aircraft flew into BWI just before it, using the tail number in the DOT file, 570 of 619 departures in all. A departure is left out when that flight is unknown, was cancelled or diverted, or the aircraft had sat for more than 12 hours. A flight the airline cancelled never left and is not in the count, and one flown by a substitute aircraft is matched to the aircraft that flew it, not to the one first planned.
Against the network at the same turn length
| Share of departures | Inbound landed 15+ late |
|---|---|
| UA2412 | 18% |
| Network, same turn | 23% |
The schedule leaves a long gap on the ground, which gives a late aircraft room to catch up before this flight pushes back.
The network row is every flight with a scheduled turn of 90 minutes to 3 hours. How often UA2412’s aircraft landed 15 or more minutes late is lower than the network’s. There are not enough departures in both groups to compare how it left.
More: Which Flight Numbers Pay for a Late Aircraft lists the flight numbers that pass a late aircraft on.
Source: US DOT Bureau of Transportation Statistics · Data covering August 2024 – July 2026
From pushback to gate
When it leaves BWI late, does that still matter by the time it reaches DEN?
UA2412 pushes back an average of 2.0 minutes late and reaches the gate at DEN an average of 4.6 minutes early. The 6.6 minutes between those two figures are slack the published schedule already carries, which is why a late pushback on this flight does not reliably become a late arrival. It spends 15.9 minutes on the taxiways at BWI, 2.1 minutes shorter than a typical BWI departure in the same hour.
On arrival at DEN, UA2412 spends 11.9 min taxiing from touchdown to the gate — ground time a connecting passenger sits through before they can even leave the aircraft, on top of however late the flight itself ran. That is 2.2 minutes longer than a typical DEN arrival (9.8 min).
Departure delay is averaged over every pushback and arrival delay over every completed arrival, so the two counts differ by the flights that never reached DEN. Taxi-out is gate to wheels up and sits inside the scheduled block rather than on top of it; the comparison is 28,702 departures from BWI scheduled in the clock hour UA2412 most often leaves in. Taxi-in is landing to gate, compared against every arrival FlyerIntel has on file at DEN (963,027 flights), not just UA2412’s own. More on taxi time.
Source: FlyerIntel analysis of US DOT BTS data · August 2024 – July 2026
The hour it leaves BWI
Part of any flight’s record belongs to the clock rather than to the flight. UA2412 has one departure time, so this is what that time is worth.
On-time arrival rate. 28,702 departures from BWI are scheduled in the 8 AM–9 AM hour over the period, against 299,178 across the whole day.
UA2412 is scheduled out of BWI at 8:30 AM, in the 8 AM–9 AM bank. Departures from BWI in that hour arrive on time 86.6% of the time against 76.0% across the airport’s whole day — the slot alone is worth 10.7 points better before anything about this particular flight is considered.
The two airport figures cover every departure from BWI to every destination, so they describe the slot rather than this journey — the like-for-like comparison against the route is above. Hours are scheduled local, and a number whose schedule moved between banks inside the period has no single hour and is not described here at all. Why the hour matters.
Source: FlyerIntel analysis of US DOT BTS data · August 2024 – July 2026 · Hours below 120 departures are not scored.
Other routes UA2412 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| DEN→CID Denver to Cedar Rapids | May 21, 2026 – June 24, 2026 | 35 | — |
| MCO→IAH Orlando to Houston | February 7, 2026 | 1 | — |
| SMF→SFO Sacramento to San Francisco | February 5, 2026 | 1 | — |
| DEN→SAN Denver to San Diego | June 26, 2025 – July 31, 2025 | 36 | — |
| IAH→IAD Houston to Washington | June 27, 2024 – August 18, 2024 | 53 | — |
| IAH→SFO Houston to San Francisco | June 1–26, 2024 | 26 | — |
| SAN→ORD San Diego to Chicago | May 23–31, 2024 | 9 | — |
| DEN→MSP Denver to Minneapolis | July 1, 2023 – May 22, 2024 | 295 | 71.1% |
| PDX→DEN Portland to Denver | December 1–20, 2023 | 20 | — |
| AUS→DEN Austin to Denver | September 29, 2023 – October 28, 2023 | 30 | — |
| PIT→ORD Pittsburgh to Chicago | July 2, 2023 | 1 | — |
Because the same number has served different journeys, the statistics above describe only the route UA2412 currently operates. Blending them would produce an average of two different flights.
When it goes wrong
The average describes a usual day. This is the day that ruins a connection.
15 min late
against a median of 9 min early
Percentiles over 622 operations; cancelled and diverted flights are counted separately.
Source: US DOT Bureau of Transportation Statistics · Data covering August 2024 – July 2026
Other flights on this route
Same airports, same journey, different odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| UA2412 this flight | United Airlines | 89.5% | 9 min early | 622 |
| UA2012 | United Airlines | 75.9% | 4 min early | 783 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. UA2412 is placed in the same ordering rather than left out of it; the rows around it are the most punctual departures on the route, not all of them, so this is a comparison and not a rank. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 622 records of UA2412 operating BWI → DEN, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.
Full methodology · Data sources · Report a problem
Related research: Most and Least Reliable Flight Numbers · The Delay You Inherit · Making Up Time in the Air
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