Carrier performance at one airport
F9→LAS
Frontier Airlines at Harry Reid International
- Departures
- 13,095
- Period
- September 2025 to August 2026
- Routes
- 25
- Rank here
- #9 of 11
Frontier Airlines at Las Vegas sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.3%. The late ones land a little over an hour behind schedule. That rests on 13,095 flights, of which Spirit Airlines flew 5,509 at 85.0% on time.
Measured against the airport rather than the country, Frontier Airlines runs about a point behind 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
75.4%
12,882 completed departures
Avg delay
79 min
Across delayed flights only
Cancelled
1.46%
At LAS, this carrier only
Rank here
#9
Of 11 carriers clearing the floor at LAS
These figures cover 13,000 flights between September 2025 and August 2026. Beyond the headline rate, 9.8% 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 | 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 (this page) | 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 Frontier Airlines flies from LAS
Frontier Airlines operates 25 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 DEN · Denver | 1,620 | 76.5% | 96 min | 1.17% | B |
| LAS to SFO · San Francisco | 904 | 59.4% | 71 min | 1.66% | D |
| LAS to DFW · Dallas-Fort Worth | 878 | 77.8% | 78 min | 1.94% | B |
| LAS to PHX · Phoenix | 850 | 78.7% | 98 min | 0.82% | B+ |
| LAS to ONT · Ontario | 724 | 80.9% | 73 min | 0.83% | B+ |
| LAS to LAX · Los Angeles | 654 | 79.7% | 61 min | 0.46% | B+ |
| LAS to CLE · Cleveland | 636 | 72.9% | 80 min | 2.83% | C |
| LAS to ATL · Atlanta | 596 | 74.8% | 75 min | 1.34% | C |
| LAS to SLC · Salt Lake City | 535 | 89.4% | 75 min | 1.12% | A |
| LAS to MCO · Orlando | 478 | 67.4% | 89 min | 1.26% | C |
| LAS to IAH · Houston | 409 | 78.0% | 66 min | 1.96% | B |
| LAS to SAN · San Diegothin sample | 350 | 66.9% | 90 min | 0.86% | C+ |
| LAS to RNO · Renothin sample | 343 | 73.6% | 104 min | 1.75% | C |
| LAS to STL · St. Louisthin sample | 317 | 82.5% | 68 min | 2.21% | B |
| LAS to SAT · San Antoniothin sample | 304 | 81.5% | 62 min | 0.66% | B+ |
| LAS to AUS · Austinthin sample | 297 | 81.6% | 75 min | 1.01% | B |
| LAS to ELP · El Pasothin sample | 289 | 76.4% | 89 min | 1.04% | B |
| LAS to SEA · Seattlethin sample | 274 | 80.3% | 47 min | 1.09% | B |
| LAS to SNA · Santa Anathin sample | 236 | 82.1% | 58 min | 0.42% | B+ |
| LAS to SMF · Sacramentothin sample | 236 | 77.3% | 70 min | 1.27% | B |
| LAS to CVG · Cincinnatithin sample | 216 | 71.4% | 73 min | 2.78% | C |
| LAS to ORD · Chicagothin sample | 213 | 65.8% | 90 min | 4.69% | C− |
| LAS to BUR · Burbankthin sample | 206 | 80.7% | 102 min | 1.94% | B |
| LAS to SJC · San Josethin sample | 196 | 79.9% | 66 min | 1.02% | B |
| LAS to PDX · Portlandthin sample | 183 | 75.0% | 87 min | 3.83% | B− |
Flight by flight
Frontier Airlines flight numbers from LAS
16 Frontier Airlines flight numbers leaving LAS flew their main route often enough to have a record of their own. Grouped by destination.
- F9 1116to ATL 06:4584.0%
- F9 2428to ATL 23:5967.9%
- F9 4966to CLE 00:1871.2%
- F9 1994to DEN 00:5977.4%
- F9 2350to DEN 06:0088.4%
- F9 3540to DEN 14:5363.0%
- F9 4612to DEN 21:2072.3%
- F9 1650to DFW 00:5975.5%
- F9 3978to DFW 06:0080.6%
- F9 3291to LAX 07:4582.8%
- F9 1876to MCO 21:4269.4%
- F9 1357to ONT 14:4581.1%
- F9 4048to PHX 06:0086.2%
- F9 3418to SAT 15:4382.8%
- F9 3801to SFO 18:0060.1%
- F9 4401to SFO 14:4848.0%
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 18 points, against 14 points between the best and worst carrier.
- 5am–8am2,260 flights87.3%
- 8am–11am1,815 flights80.9%
- 11am–2pm1,876 flights77.3%
- 2pm–5pm2,326 flights70.9%
- 5pm–8pm1,602 flights69.0%
- 8pm–5am3,216 flights69.4%
Scale runs 60% to 95%.
Book the early departure. Flights leaving between 5am–8am arrive on time 87.3% of the time, against 69.0% for the evening window. That is 18 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8pm–5am window is the busiest, with 3,216 flights scheduled in it.
Across the year
Seasonal pattern
July is the worst month at 62.5% on time, 24 points below February, the best at 86.3%. 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. July was the busiest month here, with 1,417 flights.
Delay causes
What holds this operation up
- 49%Late-arriving aircraft
- 30%Carrier
- 19%National Airspace System
- 2%Extreme weather
49% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 251,000 reported delay minutes here, that single category outweighs weather by 20 to one. The split is drawn from 250,800 reported delay minutes.
Cancellations sit at 1.46% against a national 1.89%, which is ordinary. Diversions add another 0.17%.
9.8% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
13,095 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. February runs 86.3% on time and July 62.5%, a swing of 24 points. If the dates move at all, move them out of July before you think about anything else. 12,882 completed flights over 12 months sit behind that.
Common questions
Frontier Airlines at LAS
How often is Frontier Airlines at LAS delayed?
About one flight in four arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 24.6% of the 13,095 flights in this analysis, against 22.7% nationally. Delayed flights are late by a little over an hour on average.
Which airline is most reliable on Frontier 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 Frontier Airlines at LAS?
The 5am–8am departure window is the strongest at 87.3% on time. The 5pm–8pm window is the weakest at 69.0%, 18 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 Frontier Airlines at LAS?
July is the weakest month at 62.5% on time, compared with 86.3% in February. Across the year that is 24 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
- Frontier Airlines network-wide record
- Harry Reid International (LAS) all carriers
- LAS to DEN route record76.5%
- LAS to SFO route record59.4%
- LAS to DFW route record77.8%
- LAS to PHX route record78.7%
- Denver, Salt Lake City, Phoenix and Las Vegas: the Mountain West hubs
- Why the first flight of the morning is statistically safest
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.