Carrier performance at one airport
OO→AUS
SkyWest Airlines at Austin-Bergstrom International
- Departures
- 7,916
- Period
- June 2025 to May 2026
- Routes
- 18
- Rank here
- #3 of 11
SkyWest Airlines at Austin lands a B+, 3 points better than the national rate of 77.4%. About one flight in five arrive 15 minutes late or worse, and those flights are late by an hour and a half on average. That is a workable record, not a spotless one. That rests on 7,916 flights, of which Delta Air Lines flew 12,986 at 81.9% on time.
Measured against the airport rather than the country, SkyWest Airlines runs 3 points ahead of the 76.7% weighted average across all carriers at AUS. That is the comparison worth making: every operator here works the same runways, the same airspace and the same weather.
Key figures
On time
80.0%
7,807 completed departures
Avg delay
86 min
Across delayed flights only
Cancelled
0.88%
At AUS, this carrier only
Rank here
#3
Of 11 carriers clearing the floor at AUS
These figures cover 7,916 flights between June 2025 and May 2026. Beyond the headline rate, 9.0% 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.
Against the competition
Every carrier at AUS, ranked
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 81.9% of the time; JetBlue Airways manages 63.0%. Sample sizes sit next to every figure, because a two-point gap across 661 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 12,986 | 81.9% | 81 min | 1.44% | B |
| Alaska Airlines | 2,137 | 81.3% | 55 min | 1.03% | B |
| SkyWest Airlines (this page) | 7,916 | 80.0% | 86 min | 0.88% | B+ |
| United Airlines | 10,776 | 79.4% | 75 min | 1.25% | B |
| American Airlines | 11,744 | 76.2% | 115 min | 2.53% | B |
| Envoy Air | 854 | 75.6% | 78 min | 3.28% | B− |
| Southwest Airlines | 38,083 | 74.4% | 53 min | 0.55% | C+ |
| Frontier Airlines | 1,911 | 72.0% | 85 min | 2.25% | C |
| Allegiant Air | 645 | 71.0% | 77 min | 0.31% | C+ |
| Spirit Airlines | 1,112 | 63.6% | 81 min | 4.95% | D− |
| JetBlue Airways | 661 | 63.0% | 87 min | 1.36% | D |
Spirit Airlines cancels 5.0% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
Route by route
Where SkyWest Airlines flies from AUS
SkyWest Airlines operates 18 routes out of AUS with enough volume to report. Route records inside one carrier at one airport still spread widely, because a short shuttle and a transcontinental have very different exposure to a late inbound.
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| AUS to MFE · McAllen | 1,031 | 82.6% | 80 min | 0.39% | B+ |
| AUS to BNA · Nashville | 1,008 | 76.2% | 92 min | 0.50% | B+ |
| AUS to SAN · San Diego | 967 | 82.0% | 64 min | 1.34% | B |
| AUS to LAX · Los Angeles | 753 | 88.1% | 64 min | 0.53% | A+ |
| AUS to MSY · New Orleans | 525 | 79.5% | 78 min | 0.38% | B+ |
| AUS to MAF · Midland | 443 | 76.9% | 105 min | 0.00% | B+ |
| AUS to DEN · Denver | 430 | 83.1% | 76 min | 0.70% | B+ |
| AUS to IND · Indianapolis | 410 | 77.5% | 75 min | 0.49% | B+ |
| AUS to MEM · Memphis | 365 | 78.6% | 78 min | 1.37% | B |
| AUS to JAX · Jacksonville | 365 | 86.6% | 106 min | 1.10% | A |
| AUS to DFW · Dallas-Fort Worththin sample | 356 | 61.6% | 140 min | 3.93% | D− |
| AUS to MSP · Minneapolisthin sample | 321 | 84.0% | 109 min | 0.31% | B+ |
| AUS to ECP · Panama Citythin sample | 312 | 74.3% | 64 min | 0.00% | C+ |
| AUS to SLC · Salt Lake Citythin sample | 225 | 88.7% | 74 min | 1.33% | A |
| AUS to ASE · Aspenthin sample | 180 | 67.3% | 92 min | 3.33% | C− |
| AUS to IAH · Houstonthin sample | 95 | 73.6% | 85 min | 1.05% | C |
| AUS to PSP · Palm Springsthin sample | 88 | 83.1% | 100 min | 3.41% | B− |
| AUS to SFO · San Franciscothin sample | 30 | 63.3% | 65 min | 0.00% | D+ |
Departure window
Best time of day for this operation
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 20 points, against 19 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am1,449 flights88.3%
- 8am–11am1,592 flights83.6%
- 11am–2pm511 flights78.6%
- 2pm–5pm2,210 flights78.7%
- 5pm–8pm1,233 flights68.6%
- 8pm–5am921 flights79.3%
Scale runs 60% to 95%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 88.3% of the time, against 68.6% for the evening window. That is 20 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on.
Across the year
Seasonal pattern
July is the worst month at 72.3% on time, 15 points below September, the best at 87.6%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck.
Delay causes
What holds this operation up
- 59%Carrier
- 17%National Airspace System
- 15%Extreme weather
- 9%Late-arriving aircraft
- 0%Security
Extreme weather accounts for 15% 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 monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.4 times the usual weather exposure.
Cancellations are rare at 0.88%, below the national 1.80% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 9.0% of arrivals land a full hour or more behind schedule, against 8.2% 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 sample behind these figures is 7,916 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Put together: the calendar is the biggest lever here, not the carrier or the hour. September runs 87.6% on time and July 72.3%, a swing of 15 points. If the dates move at all, move them out of July before you think about anything else.
Common questions
SkyWest Airlines at AUS
How often is SkyWest Airlines at AUS delayed?
About one flight in five arrive at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 20.0% of the 7,916 flights in this analysis, against 22.6% nationally. Delayed flights are late by an hour and a half on average.
Which airline is most reliable on SkyWest Airlines at AUS?
Delta Air Lines leads at 81.9% on time across 12,986 flights. JetBlue Airways is at the other end on 63.0%, a gap of 19 points. Sample size matters as much as the percentage: a rate built from a few hundred flights moves around far more than one built from ten thousand.
What time of day has the fewest delays on SkyWest Airlines at AUS?
The 5am–8am departure window is the strongest at 88.3% on time. The 5pm–8pm window is the weakest at 68.6%, 20 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are July delays on SkyWest Airlines at AUS?
July is the weakest month at 72.3% on time, compared with 87.6% in September. Across the year that is 15 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
Source: US DOT Bureau of Transportation Statistics, on-time performance data, June 2025 to May 2026. Updated monthly. How this data is collected.