Best time to fly out of Valley (HRL)

The early-flight folk wisdom holds up at Valley: departures in the 6–8am band left on time 94.9% of the time, against 74.1% in the 6–8pm 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 93 94 93 96 94 93 95
6–8am 94 95 95 95 96 92 97
8–10am
10am–12pm 88 89 88 90 85 84 85
12–2pm 83 84 79 76 86 75 77
2–4pm 81 82 83 83 79 79 76
4–6pm 74 77 77 73 70 75 76
6–8pm 74 80 80 75 67 76 65
8–10pm 78 80 78 74
10pm–12am
fewer left on time more left on time

The steadiest stretch at HRL was 6–8am — 94.9% of departures left on time across 1,724 flights. The weakest was 6–8pm at 74.1%. 6–8am departures from HRL left on time 94.9% of the time across 1,724 flights; 6–8pm departures, 74.1% across 1,391. That is a gap of 20.8 points, and it is the whole case for the early flight.

The year at HRL

June was the hard month at HRL: 74.9% of departures left on time, across 970 flights. February was the easy one at 89.8%. 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, 83.6%.
Departure on-time share at HRL by calendar month
Month Share departures that left on time Flights
January 85.8% 1,046
February 89.8% 962
March 83.2% 1,091
April 82.8% 1,102
May 75.5% 1,068
June 74.9% 970
July 76.3% 968
August 87.2% 977
September 87.5% 1,015
October 88.3% 1,071
November 87.7% 1,099
December 83.8% 1,126

Airlines at HRL

Every airline with at least 100 departures from HRL, 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
Southwest Airlines 82.3% 57 min 0.9% 6,723
Envoy Air 85.5% 73 min 2.3% 4,276
SkyWest Airlines 82.3% 83 min 3.9% 753
Delta Air Lines 86.9% 55 min 0.9% 539
PSA Airlines 84.9% 5.9% 204

A dash under typical delay means fewer than 30 of that airline’s departures ran 15 minutes late or more — too few to average.

What delays out of HRL were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 2,001 flights that departed HRL and ran 15 minutes late or more, the delay minutes break down with 47.9% put down to late-arriving aircraft and 23.1% to air traffic & airport volume.

Late-arriving aircraft 47.9% Airline operations 22.4% Air traffic & airport volume 23.1% Severe weather 6.6% Security 0%
  • Late-arriving aircraft 47.9%
  • Airline operations 22.4%
  • Air traffic & airport volume 23.1%
  • Severe weather 6.6%
  • 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 HRL

Of 12,496 scheduled arrivals into HRL, 79.5% reached the gate less than 15 minutes behind schedule. Of the 2,337 arrivals that ran late, 61.9% 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 HRL

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.

HRL in one number

Valley (HRL)

Rank 154 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: June.

July 2023–June 2026 · 12,289 departures flown

83.6% of departures left on time

Questions about HRL

What is the best time of day to fly out of Valley?
6–8am. Departures in that band left on time 94.9% of the time across 1,724 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 6–8pm band was the weakest at 74.1%.
Is the early flight out of HRL really more reliable?
6–8am departures from HRL left on time 94.9% of the time across 1,724 flights; 6–8pm departures, 74.1% across 1,391. That is a gap of 20.8 points, and it is the whole case for the early flight.
What is the worst month to fly out of HRL?
June: 74.9% of the departures that flew left on time, with 970 scheduled. February was the other end of the year at 89.8%. Each figure pools three years of that calendar month.
Which airline is most on time at HRL?
Delta Air Lines — 86.9% of its 539 departures from HRL left on time. SkyWest Airlines sat at the other end at 82.3% over 753 flights. Only airlines with at least 100 departures here are ranked.
How often are flights cancelled at HRL?
1.6% 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.