Route Reliability
Denver → BTM
DEN–BTM · 578 miles · Denver International Airport to BTM Airport
- 73%
- Arrive within 15 minutes
- 23 min
- Average arrival delay
- 1.6%
- Cancelled
- 365
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 73% of the time across 365 flights. No comparison to make.
What the data says
Sunday scaries are real for this one.
DEN–BTM flights arrived on time 86% of the time on Saturdays and just 64% on Sundays. That gap is worth planning around.
Recent months have been rougher.
DEN–BTM flights arrived on time 70% of the time over the last three months in the data, compared with 79% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon77%(52 flights)
- Tue82%(50 flights)
- Wed71%(51 flights)
- Thu64%(52 flights)
- Fri71%(51 flights)
- Sat86%(51 flights)
- Sun64%(52 flights)
- 12–3 PM—(2 flights)
- 6–9 PM73%(357 flights)
Jun 43% → May 55% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 43% | 30 |
| July 2025 | 69% | 26 |
| August 2025 | 52% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 97% | 30 |
| December 2025 | 77% | 31 |
| January 2026 | 81% | 31 |
| February 2026 | 79% | 28 |
| March 2026 | 83% | 30 |
| April 2026 | 73% | 30 |
| May 2026 | 55% | 31 |
Keep nerding
Based on 365 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.