Historical on-time performance
Atlanta to Montrose CO
1,352 miData through May 2026Source: US DOT · BTS
Flights on ATL–MTJ arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled9.7%of scheduled flights
based on 31 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time61%Medianon timep9050 minCancel9.7%Flights31
Why flights run late
Delay causes
- Airline26%
- Weather24%
- Air traffic (NAS)16%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline67%
- Weather33%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 3 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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