Route
DEN → BDL
Denver International Airport Bradley International Airport
1,671 miles
Return route BDL → DEN →
How punctual is this route?
- On-time arrivals
- 75.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 887
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 19%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 65.2% | 90 |
| October 2025 | 73.9% | 92 |
| November 2025 | 79.7% | 79 |
| December 2025 | 72.2% | 79 |
| January 2026 | 85.9% | 75 |
| February 2026 | 88.4% | 75 |
| March 2026 | 79.7% | 64 |
| April 2026 | 90.0% | 60 |
| May 2026 | 75.8% | 62 |
| June 2026 | 76.7% | 60 |
| July 2026 | 67.2% | 61 |
| August 2026 | 57.8% | 90 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 727 | 79.3% | 0.8% | 63 min |
| Southwest Airlines | 160 | 56.1% | 3.1% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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