Best time to fly out of Garden City (GCK)

The early-flight folk wisdom holds up at Garden City: departures in the Before 6am band left on time 88.1% of the time, against 75.1% in the 2–4pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.

Data through June 2026 · Bureau of Transportation Statistics

On-time rate by hour and day

On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.

Share of departures that left on time, by hour band and day of week.
Departure time MonTueWedThuFriSatSun
Before 6am 88 88 88 89 88 87 88
6–8am
8–10am
10am–12pm
12–2pm
2–4pm 67 81 77 79 71 73 77
4–6pm
6–8pm
8–10pm
10pm–12am
fewer left on time more left on time

The steadiest stretch at GCK was Before 6am — 88.1% of departures left on time across 863 flights. The weakest was 2–4pm at 75.1%.

The year at GCK

March was the hard month at GCK: 77.8% of departures left on time, across 186 flights. September was the easy one at 89.9%. Each month pools three years of that month, so a single bad week does not decide it.

Share of departures that left on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 82.3%.
Departure on-time share at GCK by calendar month
Month Share departures that left on time Flights
January 82.4% 186
February 82.3% 168
March 77.8% 186
April 79% 180
May 78.7% 186
June 79% 180
July 84.5% 186
August 84.4% 186
September 89.9% 180
October 85.6% 186
November 82.8% 177
December 81.4% 184

Airlines at GCK

Every airline with at least 100 departures from GCK, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.

Airline Left on time Typical delay Cancelled Departures
Envoy Air 80.1% 85 min 2.3% 1,206
SkyWest Airlines 85.2% 116 min 3.5% 979

What delays out of GCK were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 430 flights that departed GCK and ran 15 minutes late or more, the delay minutes break down with 36.7% put down to airline operations and 26.8% to late-arriving aircraft.

Late-arriving aircraft 26.8% Airline operations 36.7% Air traffic & airport volume 12.3% Severe weather 24.2% Security 0%
  • Late-arriving aircraft 26.8%
  • Airline operations 36.7%
  • Air traffic & airport volume 12.3%
  • Severe weather 24.2%
  • Security 0%

Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.

If you are connecting through GCK

Of 2,185 scheduled arrivals into GCK, 74.5% reached the gate less than 15 minutes behind schedule. Of the 487 arrivals that ran late, 52% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.

Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.

Busiest routes out of GCK

Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.

GCK in one number

Garden City (GCK)

Rank 260 of 363 US airports by departures. Steadiest stretch of the day: Before 6am. Hardest month: March.

July 2023–June 2026 · 2,123 departures flown

82.3% of departures left on time

Questions about GCK

What is the best time of day to fly out of Garden City?
Before 6am. Departures in that band left on time 88.1% of the time across 863 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 2–4pm band was the weakest at 75.1%.
What is the worst month to fly out of GCK?
March: 77.8% of the departures that flew left on time, with 186 scheduled. September was the other end of the year at 89.9%. Each figure pools three years of that calendar month.
Which airline is most on time at GCK?
SkyWest Airlines — 85.2% of its 979 departures from GCK left on time. Envoy Air sat at the other end at 80.1% over 1,206 flights. Only airlines with at least 100 departures here are ranked.
How often are flights cancelled at GCK?
2.8% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.