Flight number record

OO 4743

SkyWest Airlines · Amarillo to Denver

Route: AMA → DEN
Departs: 17:30
Flights: 323
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s OO 4743, check with SkyWest Airlines. SkyWest Airlines flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.

OO 4743 draws a C−. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 323 flights, with a median arrival 4 minutes late.

The national on-time rate over the same period is 77.6%, so OO 4743 runs 12 points behind the country as a whole. Across a thousand flights that is about 117 extra late arrivals.

On time

65.9%

Arrivals under 15 minutes late, of 308 completed flights

Avg delay

80 min

Across delayed arrivals only, not all flights

Cancelled

3.10%

National rate is 1.81%

1 hour+ late

15.9%

National rate is 8.1%

These figures cover 323 flights between July 2025 and June 2026. Beyond the headline rate, 15.9% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Schedule

When OO 4743 flies

OO 4743 flies AMA to DEN without a single fixed slot. Its most common scheduled departure was 17:30, used on 83 of 323 flights, with 17:35 (50 flights) and 17:20 (34 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 17:3083 flights25.7%
Departs 17:3550 flights15.5%
Departs 17:2034 flights10.5%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 17:30 departure sits in the 5pm–8pm window. Across every US flight scheduled in that window the on-time rate is 68.2%, and OO 4743 runs 2 points worse at 65.9%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.

Against the route

OO 4743 next to AMA to DEN

Every carrier on AMA to DEN combined arrived on time 77.3% of the time across 689 flights, so OO 4743 is 11 points behind it. Across its whole network SkyWest Airlines managed 79.0%, which this flight trails by 13 points.

OO 4743 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
OO 4743thin sample	323	65.9%	80 min	3.10%	C−
All SkyWest Airlines on AMA–DEN	689	77.3%	96 min	2.03%	B
All carriers on AMA–DEN	689	77.3%	96 min	2.03%	B
SkyWest Airlines, whole network	852,935	79.0%	88 min	1.77%	B

Across the year

OO 4743 quarter by quarter

OO 4743 did not run the same all year. Its best quarter was Jan–Mar 2026 at 84.9% on time and its weakest Jul–Sep 2025 at 43.8%, a swing of 41 points on roughly 81 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Jul–Sep 202586 flights43.8%
Oct–Dec 202582 flights71.8%
Jan–Mar 202678 flights84.9%
Apr–Jun 202677 flights64.9%

Scale runs 35% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, OO 4743 ranged from 63.3% on Tuesday to 71.4% on Sunday. With about 46 flights behind each day, a spread of 8 points is inside normal variation, so the day you fly is not worth changing for this flight.

Delay causes

Why OO 4743 runs late

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 8,366 reported delay minutes.

National Airspace System
41%
Carrier
23%
Extreme weather
19%
Late-arriving aircraft
17%

Extreme weather accounts for 19% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the quarterly figures above are the more useful view of the risk. The national share is 6%, so this operation carries roughly 3.1 times the usual weather exposure. The split is drawn from 8,366 delay minutes reported on OO 4743.

Cancellations run at 3.10%, against 1.81% nationally. That is about one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.

Connections and routes

What a delay on this flight costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 15.9% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

The same number turns up on nine other city pairs in the data, including IAH to PWM (5), LIT to ORD (4) and IAH to ABQ (3), but none flew often enough under OO 4743 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to AMA to DEN only.

One caution: this is a thin sample. 323 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 OO 4743

For a booking, the cancellation rate is the figure to plan around on OO 4743: 3.10% of its 323 scheduled flights did not operate. A late arrival costs a little over an hour, but a cancellation costs the day, so leave a later option open.

Where to go next

A flight number here means SkyWest Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures