Harlingen to Fort Cavazos (HRL–GRK) — Airlines, Schedules & Connections

HRL Airport Page →
335 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 9 1-stop flights Verified 5d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Harlingen to Fort Cavazos
1 carrier, 1 flights/week nonstop.
1 Airlines 1 Flights/wk 335 mi 1h nonstop 9 1-stop hubs

HRL–GRK is served by 1 airline with nonstop service. Key Lime Air leads the route. The flight covers 335 miles in approximately 1h. Beyond nonstop, 9 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop HRL–GRK service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
KG Key Lime Air 1 100%
Alliance coverage
Unaffiliated: KG (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for HRL to GRK.
1-STOP
One-Stop Connections
9
Hubs
~3h
Fastest
~14h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
11
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.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Fort Cavazos is 0 hours the same as Harlingen.
HRL: CDT · GRK: CDT

When it's 6:00 PM in Harlingen, it's 6:00 PM in Fort Cavazos.
Distance & Flight Time
335 mi / 538 km
Nonstop flight time is approximately 1h 0m.

HRL–GRK Quick Facts

Key statistics for the Harlingen to Fort Cavazos route.
Route details
Distance335 mi / 538 km
Flight time1h
Time difference0 hours
Airlines (nonstop)1
Weekly flights1 out
1-stop connections9 hubs
Origin: HRL
IATA / ICAOHRL / KHRL
TimezoneAmerica/Chicago
Passengers/yr1.2M
Elevation36 ft / 11 m
Destination: GRK
IATA / ICAOGRK / KGRK
TimezoneAmerica/Chicago
Passengers/yr0.2M
Elevation1,015 ft / 309 m

Frequently Asked Questions

Common questions about HRL to GRK flights.
Nonstop flights from Valley International Airport to Killeen Regional Airport / Robert Gray Army Airfield take approximately 1h. The route covers 335 miles.
1 airline operates nonstop service: Key Lime Air.
There are approximately 1 nonstop flights per week from HRL to GRK.
Yes, 1-stop connections are available through AUS, HOU, DAL, ELP, CVG, DEN, MSP, SEA and DFW. These options provide additional schedule flexibility.
Yes, return flights from GRK to HRL are available. Use the direction toggle at the top to view the return schedule.
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 HRL to GRK

Valley International Airport (HRL) and Killeen Regional Airport / Robert Gray Army Airfield (GRK) are connected by nonstop service from Key Lime Air. With 1 weekly departures, this is a regularly served route.

HRL to GRK Flight Duration and Schedule

Nonstop flight time from HRL to GRK ranges from 1 hours 0 minutes. The route covers a distance of 335 miles (538 km).

Connecting Options and Alternatives

9 one-stop connections are available, with the fastest taking approximately 3 hours via AUS. Two-stop connections are also available via intermediate hubs.