Best Time to Fly LBB to DEN: On-Time Stats by Hour & Airline
Lubbock Preston Smith International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.4% of Lubbock (LBB) to Denver (DEN) flights arrived on time (985 scheduled flights). That is 1.2 points below the national average of 77.6%.
Among 2 airlines, Southwest Airlines led with 90.6% on time and SkyWest Airlines was last with 70.7%.
Over 24 months, Sunday was the most reliable day (80% on time) and January the worst month (67%).
The cancellation rate was 1.4% (US average 1.8%).
LBB to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 90.6% | 69 min | 1.4% | 281 |
| SkyWest Airlines | 70.7% | 103 min | 1.4% | 704 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LBB to DEN
On-time arrival % by scheduled departure hour (local time), 1,865 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 93.8% | 0.5% | 211 |
| 7am–8am | 89.8% | 1.8% | 221 |
| 8am–9am | 83.1% | 0.6% | 506 |
| 9am–10am | 89.1% | 1.8% | 56 |
| 10am–11am | Limited data | 8 | |
| 12pm–1pm | 85.1% | 1.3% | 75 |
| 1pm–2pm | 85.7% | 4.5% | 44 |
| 2pm–3pm | 88.5% | 0.0% | 62 |
| 3pm–4pm | 59.0% | 2.5% | 40 |
| 4pm–5pm | 87.9% | 0.0% | 33 |
| 5pm–6pm | 51.0% | 1.9% | 577 |
| 6pm–7pm | Limited data | 18 | |
| 7pm–8pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LBB to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 79.5% | +4.3 pts | 0.0% | 39 |
| Christmas & New Year (Dec 20 - Jan 3) | 86.8% | +11.5 pts | 0.0% | 84 |
| Summer peak (Jun 15 - Aug 15) | 71.2% | -4.1 pts | 0.9% | 328 |
| All other days | 75.2% | — | 1.6% | 1,414 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).