Drive or Fly: Delta, CO to Longmont, CO?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

No scheduled commercial flights found for MTJ–BJC. At 301 miles, driving is the only practical option.

Passengers:

Vehicle:

Drive

Door to Door

5h 57m

Distance

301 mi

Total Cost

$102

CO2

122 kg

Cost Breakdown

Diesel$67

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 17m

22m in the air

Air Distance

186 mi

Total Cost

$182

CO2

48 kg

Door-to-Door Timeline

Delta, CO → MTJ 28m

Check-in & Security 90m

Flight 22m

Arrival & Baggage 30m

BJC → Longmont, CO 27m

Cost Breakdown

Ticket (1 pax @ $127) $127

Rental car (1 day)$55

Airports

Delta, CO MTJ — Montrose Regional Airport 19 mi, ~28m drive

Longmont, CO BJC — Rocky Mountain Metropolitan Airport 18 mi, ~27m drive

No scheduled flights found

No commercial flights between MTJ and BJC. Flight estimates above are theoretical.

+ Saves about 2h 40m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

Train

Amtrak

Door to Door

10h 50m

8h 34m on rail

Total Cost

$39

CO2

11 kg

Route

California Zephyr

Door-to-Door Timeline

Delta, CO → Grand Junction Amtrak Station 52m

Boarding 30m

Train ride 514m

Arrival 10m

Denver → Longmont, CO 44m

Cost Breakdown

Ticket (1 pax @ $39) $39

Estimated based on distance. Check amtrak.com for current prices.

Stations

From Grand Junction Amtrak Station 35 mi, ~52m drive

To Denver 29 mi, ~44m drive

Service

Direct

Frequency

~1/week

+ Spacious seating with legroom and power outlets

+ Walk around freely during the trip

+ No driving fatigue — relax or work en route

+ Much lower carbon footprint than driving or flying

− Limited schedule — about 1 trips per week

− Amtrak delays can be unpredictable

− Need transportation to/from station

− Less flexibility than driving

At a Glance

	Drive	Fly	Train
Door-to-door time	5h 57m	3h 17m	10h 50m
Total cost (1 person)	$102	$182	$39
Carbon footprint	122 kg CO₂	48 kg CO₂	11 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Transit: Amtrak GTFS — fares estimated

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 13, 2026.

Decided to drive? See the full trip plan from Delta, CO to Longmont, CO with stops, fuel costs, and turn-by-turn directions.