Carrier route record
OOIAH→MEM
SkyWest Airlines · Houston to Memphis
- Flights
- 719
- Period
- September 2025 to August 2026
- Share of route
- 67%
- Carriers
- 2
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with SkyWest Airlines.
SkyWest on IAH to MEM earns a B+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 7 points better than the national rate of 77.3%. When something does go wrong the average delay runs a little over an hour. That rests on 719 flights, with a median arrival 4 minutes early.
Set against the rest of the country, SkyWest's IAH to MEM record is 7 points better than the US average of 77.3%. That gap is worth roughly 74 fewer late arrivals for every thousand flights.
Key figures
On time
84.7%
Arrivals under 15 minutes late, of 712 completed flights
Avg delay
68 min
Across delayed arrivals only, not all flights
Cancelled
0.97%
National rate is 1.89%
Whole route
80.6%
Every carrier on IAH to MEM, 1,075 flights
These figures cover 719 flights between September 2025 and August 2026. The median arrival is 4 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
SkyWest against every carrier on IAH to MEM
SkyWest flew 719 of the 1,075 flights on IAH to MEM, most of the route. Its 84.7% on time is 4 points better than the route as a whole, which runs 80.6%. Ranked by on-time rate it is first of two carriers on the route, where the range runs from SkyWest at 84.7% to United at 72.4%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| SkyWest Airlines (this page) | 719 | 84.7% | 68 min | 0.97% | B+ |
| United Airlinesthin sample | 356 | 72.4% | 49 min | 1.12% | C |
Flight by flight
SkyWest flight numbers on IAH to MEM
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Departure window
When SkyWest runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 14 points, against half a point between the best and worst carrier.
- 5am–8am336 flights86.4%
- 8am–11am1 flights—
- 11am–2pm310 flights85.4%
- 2pm–5pm59 flights72.4%
- 5pm–8pm13 flights—
- 8pm–5am—
Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 86.4% of the time, against 72.4% for the afternoon window. That is 14 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 336 flights scheduled in it.
Across the year
SkyWest on IAH to MEM through the year
September is the best month on the calendar at 93.0% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. April was the busiest month here, with 88 flights.
Across the week, Wednesday is the strongest day at 91.4% on time and Friday the weakest at 76.5%, a spread of 15 points.
Arrival by arrival
How late SkyWest on IAH to MEM runs when it is late
The 109 late arrivals split 36 under half an hour, 28 between 30 and 60 minutes, and 45 an hour or more.
- 15+ min early101 flights14.2%
- Within 15 min502 flights70.5%
- 15–29 min late36 flights5.1%
- 30–59 min late28 flights3.9%
- 1–2 hours late28 flights3.9%
- 2+ hours late17 flights2.4%
Scale runs 0% to 100%.
Share of 712 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 86 departures that left 15 minutes late or more, only 7 made it up before arrival. 30 flights left on time and still arrived late.
The worst days
Worst days for SkyWest on IAH to MEM
The latest arrival of the period was on 24 November 2025, 4 hours 39 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 24 November 2025 | 4 hours 39 minutes | Carrier |
| 18 December 2025 | 4 hours 36 minutes | Carrier |
| 16 August 2026 | 3 hours 43 minutes | Late-arriving aircraft |
| 19 May 2026 | 3 hours 41 minutes | Late-arriving aircraft |
| 19 April 2026 | 3 hours 34 minutes | Carrier |
Delay causes
Why SkyWest runs late on this route
Carrier accounts for 48% of the 7,440 delay minutes carriers reported here, and the remaining four split what is left.
- 48%Carrier
- 34%Late-arriving aircraft
- 10%National Airspace System
- 7%Extreme weather
34% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 7,440 reported delay minutes here, that single category outweighs weather by 5 to one. The split is drawn from 7,440 reported delay minutes.
The largest share of delay minutes, 48%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 3,590 of the 7,440 delay minutes reported here.
Cancellations sit at 0.97% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and stage length
What a delay here costs
6.3% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
At 468 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg is a different operation and performs like one: it runs 78.6% on time across 723 flights, 6 points below this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 6 points of difference.
One caution: this is a thin sample. 719 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking SkyWest on IAH to MEM
Put together: treat all of this as provisional. 719 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 84.7% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 712 completed flights over 12 months sit behind that.
Related
Where to go next
- IAH to MEM, every carrier
- SkyWest on MEM to IAH, the return leg
- United Airlines on IAH to MEM72.4%
- SkyWest Airlines network-wide record
- George Bush Intercontinental (IAH) delay statistics
- Memphis International (MEM) delay statistics
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.