Lubbock (LBB) to Denver (DEN): On-Time Performance
Data through July 2026
Lubbock (LBB) to Denver (DEN) effectively runs on two schedules. In December 2024, 95% of arrivals were on time; in June 2025 that fell to 56% — a 39-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 51%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 45m
- scheduled
- Distance
- 456 mi
Best airline from LBB to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 87% | 8 min | 0.9% | 539 |
| SkyWest Airlines | 70% | 29 min | 1.5% | 1,377 |
Monthly on-time trend
Best time to fly from LBB to DEN
Aim for departures around 6 a.m. (94% on-time); avoid 5 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 29 min |
| Tuesday | 69% | 23 min |
| Wednesday | 73% | 26 min |
| Thursday | 72% | 23 min |
| Friday | 75% | 22 min |
| Saturdaybest | 81% | 22 min |
| Sunday | 80% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations43%
- National airspace system27%
- Weather4%
Frequently asked questions
- How often are flights from LBB to DEN delayed?
- 25% of LBB–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from LBB to DEN?
- Southwest Airlines has the best on-time record on this route at 87%, based on 539 flights. 2 airlines flew LBB–DEN frequently enough to compare in this period.
- What is the best time of day to fly from LBB to DEN?
- Departures around 6 a.m. have the best record (94% on-time), while departures around 5 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LBB to DEN?
- The scheduled LBB–DEN flight time averages 1h 45m over 456 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are LBB to DEN flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LBB to DEN?
- June 2025 was the roughest month in this dataset, with only 56% of arrivals on time. The best was December 2024 at 95%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 1,916 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.