Best Time to Fly BHM to DEN: On-Time Stats by Hour & Airline
Birmingham-Shuttlesworth International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.1% of Birmingham (BHM) to Denver (DEN) flights arrived on time (1,218 scheduled flights). That is 5.5 points above the national average of 77.6%.
SkyWest Airlines was the most punctual of the 3 airlines on the route at 88.1%, while United Airlines trailed at 77.2%.
February has been the best month (92% on time) and Thursday the weakest day of the week (82%).
0.2% of flights were cancelled, versus 1.8% nationally.
BHM 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 |
|---|---|---|---|---|
| SkyWest Airlines | 88.1% | 77 min | 0.3% | 635 |
| Southwest Airlines | 77.8% | 56 min | 0.0% | 491 |
| United Airlines | 77.2% | 77 min | 0.0% | 92 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BHM to DEN
On-time arrival % by scheduled departure hour (local time), 2,311 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.1% | 0.0% | 114 |
| 6am–7am | 91.9% | 0.0% | 86 |
| 7am–8am | 92.9% | 0.6% | 156 |
| 8am–9am | 89.3% | 0.5% | 780 |
| 9am–10am | 90.6% | 0.0% | 53 |
| 10am–11am | 81.9% | 0.0% | 149 |
| 11am–12pm | Limited data | 24 | |
| 12pm–1pm | 76.5% | 0.0% | 34 |
| 1pm–2pm | Limited data | 13 | |
| 2pm–3pm | 77.4% | 0.0% | 31 |
| 3pm–4pm | 80.2% | 0.5% | 738 |
| 4pm–5pm | Limited data | 9 | |
| 5pm–6pm | 48.2% | 0.0% | 56 |
| 6pm–7pm | 41.2% | 0.0% | 68 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BHM 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) | 73.7% | -11.8 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.3% | -2.1 pts | 0.0% | 90 |
| Summer peak (Jun 15 - Aug 15) | 76.3% | -9.2 pts | 0.0% | 412 |
| All other days | 85.5% | — | 0.5% | 1,771 |
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).