Greenville/Greer/Spartanburg to Denver (GSP–DEN) — Airlines, Schedules & Connections

GSP Airport Page →
1,276 mi airlines 10/wk
On-time Some delays Frequent delays
Flight Schedule 7 flights Verified 27m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
UA1488
UA United
319
4:10 PM
EDT
5:49 PM
MDT
3h 39m
M T W T F S S
Prices
UA624
UA United
319
4:13 PM
EDT
6:02 PM
MDT
3h 49m
M T W T F S S
Prices
UA5892
UA United
E75L
4:13 PM
EDT
6:13 PM
MDT
4h
M T W T F S S
Prices
UA2159
UA United
319
10:05 AM
MDT
3:01 PM
EDT
2h 56m
M T W T F S S
Prices
UA1476
UA United
319
10:05 AM
MDT
3:09 PM
EDT
3h 4m
M T W T F S S
Prices
UA5685
UA United
E7W
10:05 AM
MDT
3:23 PM
EDT
3h 18m
M T W T F S S
Prices
UA5939
UA United
E75L
10:05 AM
MDT
3:15 PM
EDT
3h 10m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Greenville/Greer/Spartanburg to Denver
1 carrier, 10 flights/week nonstop.
1 Airlines 10 Flights/wk 1,276 mi 3h 39m nonstop -2h behind 36 1-stop hubs

GSP–DEN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,276 miles in approximately 3h 39m. Beyond nonstop, 36 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop GSP–DEN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 10 319, E75L 3h39-4h 84% Star Alliance
Aircraft on this route
319 Airbus A319 – UA
E75L Embraer E175 Long Wing – UA
Alliance coverage
Star Alliance: UA (10 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, GSP to DEN direction.
Mon
2
flights
Tue
2
flights
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
10
Outbound / wk
18
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for GSP to DEN.
1-STOP
One-Stop Connections
36
Hubs
~5h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,819
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
GSP → DEN
84%
Generally reliable. Most flights run on time.
Departing
84%
Arriving
93%
Return
DEN → GSP
77%
Generally reliable. Most flights run on time.
Departing
77%
Arriving
60%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. GSP delays → DEN delays →

Other ways to reach Denver from Greenville/Greer/Spartanburg

Nearby airports with service to Denver International Airport.
Metric GSP→DEN AVL→DEN CLT→DEN
Distance from GSP 42 mi 75 mi
Nonstop airlines 1 2 5
Weekly flights 10 16 105
Flight time 3h 39m 3h 31m 3h 28m
Departure OTP 84%
Airports within 200 miles of GSP with service to Denver International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Denver is 2 hours behind Greenville/Greer/Spartanburg.
GSP: EDT · DEN: MDT

When it's 6:00 PM in Greenville/Greer/Spartanburg, it's 4:00 PM in Denver.
Distance & Flight Time
1,276 mi / 2,053 km
Nonstop flight time is approximately 3h 39m to 4h 0m.
Getting from DEN

RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.

Denver Climate

Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.

Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.

GSP–DEN Quick Facts

Key statistics for the Greenville/Greer/Spartanburg to Denver route.
Route details
Distance1,276 mi / 2,053 km
Flight time3h 39m to 4h
Time difference-2 hours
Airlines (nonstop)1
Weekly flights10 out / 18 return
1-stop connections36 hubs
Origin: GSP
IATA / ICAOGSP / KGSP
TimezoneAmerica/Kentucky/Monticello
Passengers/yr2.8M
Elevation964 ft / 294 m
Destination: DEN
IATA / ICAODEN / KDEN
TimezoneAmerica/Denver
Passengers/yr82.4M
Elevation5,431 ft / 1,655 m

Frequently Asked Questions

Common questions about GSP to DEN flights.
Nonstop flights from Greenville-Spartanburg International Airport to Denver International Airport take approximately 3h 39m to 4h. The route covers 1,276 miles.
1 airline operates nonstop service: United Airlines.
There are approximately 10 nonstop flights per week from GSP to DEN. The return direction has about 18 weekly flights.
Yes, 1-stop connections are available through MCI, TUL, MSY, MDW, RIC, MSP, CHS, JAX, SLC, HOU, APF, PBI, BOS, PVD, SNA, SAN, BDL, DCA, ATL, CLT, BNA, ORD, PHL, IAH, EWR, IAD, DFW, MIA, MCO, DTW, BWI, RSW, TPA, LGA, FLL and SRQ. These options provide additional schedule flexibility.
Denver is 2 hours behind Greenville/Greer/Spartanburg.
Yes, return flights from DEN to GSP are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include AVL, CLT and TYS. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from GSP to DEN

Greenville-Spartanburg International Airport (GSP) and Denver International Airport (DEN) are connected by nonstop service from United Airlines. With 10 weekly departures, this is a regularly served route.

GSP to DEN Flight Duration and Schedule

Nonstop flight time from GSP to DEN ranges from 3 hours 39 minutes to 4 hours 0 minutes. The route covers a distance of 1,276 miles (2,053 km). There are approximately 10 weekly flights outbound and 18 return, totaling 28 flights per week in both directions.

Connecting Options and Alternatives

36 one-stop connections are available, with the fastest taking approximately 5 hours via MCI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Asheville (AVL), Charlotte (CLT) and Knoxville/Maryville (TYS).