Carrier performance at one airport
AA→LAS
American Airlines at Harry Reid International
- Departures
- 14,079
- Period
- September 2025 to August 2026
- Routes
- 9
- Rank here
- #4 of 11
American Airlines at Las Vegas lands a B, 3 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That rests on 14,079 flights, of which Spirit Airlines flew 5,509 at 85.0% on time.
Measured against the airport rather than the country, American Airlines runs 4 points ahead of the 76.9% weighted average across all carriers at LAS. That is the comparison worth making: every operator here works the same runways, the same airspace and the same weather.
Key figures
On time
80.5%
13,768 completed departures
Avg delay
98 min
Across delayed flights only
Cancelled
1.68%
At LAS, this carrier only
Rank here
#4
Of 11 carriers clearing the floor at LAS
These figures cover 14,000 flights between September 2025 and August 2026. Beyond the headline rate, 8.0% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
Against the competition
Every carrier at LAS, ranked
The choice of carrier is not cosmetic here. Spirit Airlines arrives on time 85.0% of the time; Hawaiian Airlines manages 70.6%. Sample sizes sit next to every figure, because a two-point gap across 594 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Spirit Airlines | 5,509 | 85.0% | 87 min | 1.89% | A |
| Delta Air Lines | 15,583 | 84.4% | 79 min | 1.08% | B |
| Allegiant Air | 7,022 | 83.1% | 75 min | 0.43% | B+ |
| American Airlines (this page) | 14,079 | 80.5% | 98 min | 1.68% | B |
| SkyWest Airlines | 3,247 | 79.5% | 66 min | 0.95% | B+ |
| United Airlines | 15,169 | 79.5% | 71 min | 0.63% | B+ |
| Alaska Airlines | 7,098 | 78.7% | 60 min | 1.01% | B |
| JetBlue Airways | 4,040 | 77.5% | 83 min | 2.40% | B |
| Frontier Airlines | 13,095 | 75.4% | 79 min | 1.46% | B |
| Southwest Airlines | 86,407 | 73.4% | 50 min | 0.60% | C+ |
| Hawaiian Airlines | 594 | 70.6% | 101 min | 0.34% | C+ |
The spread between Spirit and Hawaiian is 14 points, wide enough that it should decide the booking. On a hundred trips that is 14 more arrivals inside the on-time window.
Route by route
Where American Airlines flies from LAS
American Airlines operates 9 routes out of LAS 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 |
|---|---|---|---|---|---|
| LAS to DFW · Dallas-Fort Worth | 4,005 | 80.2% | 103 min | 2.67% | B |
| LAS to CLT · Charlotte | 2,054 | 87.0% | 100 min | 0.93% | A+ |
| LAS to ORD · Chicago | 1,894 | 75.2% | 114 min | 2.16% | B |
| LAS to PHX · Phoenix | 1,684 | 79.2% | 80 min | 0.95% | B+ |
| LAS to PHL · Philadelphia | 1,299 | 83.6% | 89 min | 1.39% | B |
| LAS to MIA · Miami | 1,249 | 83.6% | 87 min | 0.80% | B+ |
| LAS to LAX · Los Angeles | 1,000 | 73.6% | 96 min | 0.90% | C+ |
| LAS to JFK · New York | 521 | 79.6% | 97 min | 2.11% | B |
| LAS to DCA · Washingtonthin sample | 364 | 78.9% | 79 min | 1.37% | B |
Flight by flight
American Airlines flight numbers from LAS
5 American Airlines flight numbers leaving LAS flew their main route often enough to have a record of their own. Grouped by destination.
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 24 points, against 14 points between the best and worst carrier.
- 5am–8am2,693 flights89.5%
- 8am–11am3,109 flights86.4%
- 11am–2pm3,154 flights76.3%
- 2pm–5pm1,759 flights65.8%
- 5pm–8pm791 flights71.0%
- 8pm–5am2,573 flights82.1%
Scale runs 55% to 95%.
Book the early departure. Flights leaving between 5am–8am arrive on time 89.5% of the time, against 65.8% for the afternoon window. That is 24 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 11am–2pm window is the busiest, with 3,154 flights scheduled in it.
Across the year
Seasonal pattern
July is the worst month at 69.6% on time, 17 points below April, the best at 86.5%. 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. May was the busiest month here, with 1,314 flights.
Delay causes
What holds this operation up
- 48%Late-arriving aircraft
- 38%Carrier
- 12%National Airspace System
- 2%Extreme weather
- 0%Security
48% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 262,000 reported delay minutes here, that single category outweighs weather by 27 to one. The split is drawn from 261,588 reported delay minutes.
Cancellations sit at 1.68% against a national 1.89%, which is ordinary. Diversions add another 0.53%.
8.0% 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 an hour and a half, which a normal layover absorbs.
14,079 flights sit behind these numbers, which is a large enough sample that the headline rate is not moving on noise. Where a sub-group falls below 30 flights the site shows a dash instead of a percentage.
Put together: the calendar is the biggest lever here, not the carrier or the hour. April runs 86.5% on time and July 69.6%, a swing of 17 points. If the dates move at all, move them out of July before you think about anything else. 13,768 completed flights over 12 months sit behind that.
Common questions
American Airlines at LAS
How often is American Airlines at LAS delayed?
About one flight in five arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 19.5% of the 14,079 flights in this analysis, against 22.7% nationally. Delayed flights are late by an hour and a half on average.
Which airline is most reliable on American Airlines at LAS?
Spirit Airlines leads at 85.0% on time across 5,509 flights. Hawaiian Airlines is at the other end on 70.6%, a gap of 14 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 American Airlines at LAS?
The 5am–8am departure window is the strongest at 89.5% on time. The 2pm–5pm window is the weakest at 65.8%, 24 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 American Airlines at LAS?
July is the weakest month at 69.6% on time, compared with 86.5% in April. Across the year that is 17 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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.