Denver (DEN) to Lubbock (LBB): On-Time Performance
Data through May 2026
The calendar drives reliability on DEN–LBB. November 2025 flights landed on schedule 88% of the time, but June 2025 dropped to 51% — a gap of 37 points. Across the full period the route averages 69% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 64%), which matters most in the rough months.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 37m
- scheduled
- Distance
- 456 mi
Best airline from DEN to LBB
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 70% | 22 min | 0.8% | 499 |
| SkyWest Airlines | 69% | 29 min | 1.5% | 1,292 |
Monthly on-time trend
Best time to fly from DEN to LBB
Aim for departures around 9 a.m. (92% on-time); avoid 8 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 21 min |
| Tuesdaybest | 77% | 23 min |
| Wednesday | 71% | 18 min |
| Thursday | 71% | 31 min |
| Friday | 73% | 24 min |
| Saturday | 66% | 32 min |
| Sunday | 59% | 39 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft47%
- Airline operations34%
- National airspace system16%
- Weather3%
Frequently asked questions
- How often are flights from DEN to LBB delayed?
- 31% of DEN–LBB flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
- Which airline is most reliable from DEN to LBB?
- Southwest Airlines has the best on-time record on this route at 70%, based on 499 flights. 2 airlines flew DEN–LBB frequently enough to compare in this period.
- What is the best time of day to fly from DEN to LBB?
- Departures around 9 a.m. have the best record (92% on-time), while departures around 8 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to LBB?
- The scheduled DEN–LBB flight time averages 1h 37m over 456 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are DEN to LBB flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to LBB?
- June 2025 was the roughest month in this dataset, with only 51% of arrivals on time. The best was November 2025 at 88%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 1,791 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.