Best time to fly out of Wichita Falls (SPS)

The early-flight folk wisdom holds up at Wichita Falls / Sheppard Air Force Base: departures in the 6–8am band left on time 87.9% of the time, against 79.9% 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 82 88 88 92 90 84 92
8–10am
10am–12pm
12–2pm
2–4pm 83 84 81 81 77 74 81
4–6pm
6–8pm
8–10pm
10pm–12am
fewer left on time more left on time

The steadiest stretch at SPS was 6–8am — 87.9% of departures left on time across 963 flights. The weakest was 2–4pm at 79.9%.

The year at SPS

June was the hard month at SPS: 76.7% of departures left on time, across 180 flights. December was the easy one at 89.7%. 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, 83.8%.
Departure on-time share at SPS by calendar month
Month Share departures that left on time Flights
January 79.6% 186
February 82% 170
March 84.1% 186
April 82% 176
May 84.4% 186
June 76.7% 180
July 81.1% 186
August 86.6% 186
September 88.5% 178
October 84.1% 184
November 86.4% 176
December 89.7% 185

Airlines at SPS

Every airline with at least 100 departures from SPS, 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 83.1% 132 min 2.5% 1,575
Envoy Air 85.8% 106 min 3.5% 604

What delays out of SPS were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 366 flights that departed SPS and ran 15 minutes late or more, the delay minutes break down with 57.4% put down to airline operations and 20.7% to severe weather.

Late-arriving aircraft 15.1% Airline operations 57.4% Air traffic & airport volume 6.6% Severe weather 20.7% Security 0.1%
  • Late-arriving aircraft 15.1%
  • Airline operations 57.4%
  • Air traffic & airport volume 6.6%
  • Severe weather 20.7%
  • Security 0.1%

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 SPS

Of 2,179 scheduled arrivals into SPS, 79.3% reached the gate less than 15 minutes behind schedule. Of the 379 arrivals that ran late, 45.9% 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 SPS

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.

SPS in one number

Wichita Falls / Sheppard Air Force Base (SPS)

Rank 263 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: June.

July 2023–June 2026 · 2,118 departures flown

83.8% of departures left on time

Questions about SPS

What is the best time of day to fly out of Wichita Falls / Sheppard Air Force Base?
6–8am. Departures in that band left on time 87.9% of the time across 963 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 2–4pm band was the weakest at 79.9%.
What is the worst month to fly out of SPS?
June: 76.7% of the departures that flew left on time, with 180 scheduled. December was the other end of the year at 89.7%. Each figure pools three years of that calendar month.
Which airline is most on time at SPS?
Envoy Air — 85.8% of its 604 departures from SPS left on time. SkyWest Airlines sat at the other end at 83.1% over 1,575 flights. Only airlines with at least 100 departures here are ranked.
How often are flights cancelled at SPS?
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.