Best time to fly out of Aberdeen (ABR)

The early-flight folk wisdom holds up at Aberdeen: departures in the 6–8am band left on time 89.8% of the time, against 86.9% 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
6–8am 85 93 90 92 92 89 89
8–10am
10am–12pm
12–2pm
2–4pm 87 84 85 92 90 88 83
4–6pm
6–8pm
8–10pm
10pm–12am
fewer left on time more left on time

The steadiest stretch at ABR was 6–8am — 89.8% of departures left on time across 1,083 flights. The weakest was 2–4pm at 86.9%.

The year at ABR

December was the hard month at ABR: 76.6% of departures left on time, across 179 flights. September was the easy one at 93.3%. 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, 87.3%.
Departure on-time share at ABR by calendar month
Month Share departures that left on time Flights
January 83.6% 183
February 88.2% 170
March 86.8% 186
April 90.5% 180
May 91.9% 186
June 82.8% 180
July 87.1% 186
August 84.4% 186
September 93.3% 180
October 91% 201
November 89.9% 191
December 76.6% 179

Airlines at ABR

Every airline with at least 100 departures from ABR, 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
SkyWest Airlines 87.3% 146 min 0.9% 2,208

What delays out of ABR were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 280 flights that departed ABR and ran 15 minutes late or more, the delay minutes break down with 79.3% put down to airline operations and 16.3% to severe weather.

Late-arriving aircraft 0% Airline operations 79.3% Air traffic & airport volume 3.8% Severe weather 16.3% Security 0.6%
  • Late-arriving aircraft 0%
  • Airline operations 79.3%
  • Air traffic & airport volume 3.8%
  • Severe weather 16.3%
  • Security 0.6%

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 ABR

Of 2,208 scheduled arrivals into ABR, 85% reached the gate less than 15 minutes behind schedule. Of the 304 arrivals that ran late, 44.7% 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 ABR

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.

ABR in one number

Aberdeen (ABR)

Rank 257 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: December.

July 2023–June 2026 · 2,189 departures flown

87.3% of departures left on time

Questions about ABR

What is the best time of day to fly out of Aberdeen?
6–8am. Departures in that band left on time 89.8% of the time across 1,083 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 2–4pm band was the weakest at 86.9%.
What is the worst month to fly out of ABR?
December: 76.6% of the departures that flew left on time, with 179 scheduled. September was the other end of the year at 93.3%. Each figure pools three years of that calendar month.
How often are flights cancelled at ABR?
0.9% 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.