ATL to MTJ flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to Montrose Regional Airport · 1,352 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or MTJ right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Montrose/Delta (MTJ) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4% were cancelled, and 4% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (88% on time); around 11am did worst (73%).
- Wednesday was the most reliable day to fly (93% on time) and Saturday the least (50%).
- The largest source of delay minutes was air traffic control & airport congestion (45%).
Which airline is most on time from ATL to MTJ?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 75% | 4.0% | 13 min | 4.2% | 100 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 11am73%84 flights
- 12pm88%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday85%7.1% cancelled
- Tuesday79%0.0% cancelled
- Wednesday93%0.0% cancelled
- Thursday64%0.0% cancelled
- Friday71%0.0% cancelled
- Saturday50%6.7% cancelled
- Sunday85%13.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion45%
- Airline (crew, maintenance, cleaning, fueling)28%
- Late-arriving aircraft19%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)75%
- Extreme weather25%
- Air traffic control & airport congestion0%
- Security0%
ATL to MTJ: common questions
- How often are ATL to MTJ flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Atlanta to Montrose/Delta cancelled?
- 4.0% of scheduled flights were cancelled (4 of 100).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 4.2% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MTJ to ATL — 81% on time
More flights from Atlanta
More flights to Montrose/Delta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → MTJ, nonstop flights by US airlines that report to the DOT. How we calculate this.