82% of flights from Albuquerque to Denver arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 96% of the time; the 4 p.m. ones 49%. Most reliable airline: United Airlines (84%). 6% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ABQ → DEN: when a flight was late, it was under 45 minutes late 57% of the time. About 1 in 19 flights landed an hour or more late, and 1 in 80 three hours or more; 0.6% were cancelled outright.
- On time or early82%
- 15–30 min late6.4%
- 30–60 min late5.8%
- 1–2 hours late2.8%
- 2–3 hours late1.3%
- 3+ hours late1.2%
- Diverted0.3%
- Cancelled0.6%
Share of all 3,216 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| United Airlines | 1,753 | 84% | 0.7% | −8 min | 5.3% | +80 min | SkyWest 52%, United Airlines 48% |
| Southwest Airlines | 1,463 | 79% | 0.5% | −5 min | 5.3% | +58 min | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at ABQ). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | United Airlines | Southwest Airlines |
|---|---|---|
| 5 a.m. | 95% | 96% |
| 7 a.m. | 90% | — |
| 10 a.m. | 93% | 78% |
| 11 a.m. | 90% | — |
| 1 p.m. | 79% | — |
| 2 p.m. | 80% | 73% |
| 3 p.m. | — | 65% |
| 6 p.m. | 74% | 64% |
Last flight of the day
On ABQ → DEN, each airline's last flight of the day was cancelled 0.7% of the time, against 0.6% for its earlier flights, about the same. It arrived 3+ hours late 1.4% of the time (earlier flights: 1.3%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| United Airlines | 6:02 p.m. | 1.1% | 1.4% | 0.6% | first flight 5:30 a.m. |
| Southwest Airlines | 6:10 p.m. | 0.3% | 1.4% | 0.5% | first flight 5:10 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
By month
Each calendar month pooled over 2023–2026. Best: November (88%). Worst: August (75%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 499 | 81% | 1.0% |
| Tuesday | 438 | 83% | 0.7% |
| Wednesday | 441 | 86% | 0.2% |
| Thursday | 482 | 79% | 0.2% |
| Friday | 488 | 78% | 1.0% |
| Saturday | 401 | 85% | 1.0% |
| Sunday | 467 | 80% | 0.0% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 7 · weather 7 · air traffic/airport 5
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| UA 5988 | 5:30 a.m. | 196 | 95% | 0.0% | −13 min | SkyWest |
| UA 621 | 7:00 a.m. | 365 | 90% | 0.8% | −9 min | United Airlines |
| UA 5834 | 10:45 a.m. | 336 | 92% | 0.3% | −14 min | SkyWest |
| UA 1741 | 2:40 p.m. | 329 | 81% | 0.9% | −9 min | United Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 19, 2025 | 9 | 11% | 2 |
| Feb 17, 2026 | 8 | 13% | 1 |
| Mar 6, 2026 | 9 | 22% | 1 |
| Mar 12, 2026 | 9 | 22% | 0 |
| Jan 25, 2026 | 8 | 25% | 0 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Albuquerque or Denver. None has been clearly more reliable than ABQ → DEN.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| ABQ → DEN (this route) | 3,216 | 82% | 0.6% |
| SAF → DEN Santa Fe to Denver | 1,684 | 78% | 1.2% |
Questions
How often are flights from ABQ to DEN on time?
82% of 3,216 scheduled flights from Albuquerque, NM to Denver, CO arrived within 15 minutes of schedule between September 2025 and August 2026. 0.6% were cancelled.
What is the best time of day to fly ABQ to DEN?
Flights scheduled to leave at 5 a.m. were the most reliable (96% on time). The 4 p.m. departures were the least (49%).
Which airline is most on time from ABQ to DEN?
United Airlines: 84% of its 1,753 flights on the route arrived on time. Southwest Airlines: 79%.
What month has the most delays from ABQ to DEN?
August (75% on time). The best month is November (88%), over 2023–2026.
Is the last flight of the day from ABQ to DEN more likely to be cancelled?
Not much. Each airline's last ABQ–DEN flight of the day was cancelled 0.7% of the time over the past year, against 0.6% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- DEN → ABQ (return)
- Albuquerque Sunport (ABQ) delays by hour
- Flights into Denver (DEN)
- United Airlines on-time record
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.