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Airport · 12 months to July 2026
Harry Reid International: delays and on-time record
Las Vegas, Nevada
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.
Reporting carriers scheduled 172,932 domestic departures from Harry Reid International (LAS), Las Vegas, in the 12 months to July 2026: about 474 a day to 129 destinations.
73.8% of those flights left the gate less than 15 minutes late, 2.3 points below the national departure figure of 76.1%. Flights arriving at LAS were on time 77.6% of the time, 1.6 points above the national arrival figure of 76.0%.
0.9% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 16.3 min.
Southwest Airlines is the largest reporting carrier at LAS with 50% of departures. Among carriers with at least 1,729 departures, Delta Air Lines had the highest on-time arrival share for its LAS departures (84.1%) and Southwest Airlines the lowest (73.6%).
On-time departures are down 4.2 points on the previous 12 months (78.0%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving LAS, late-arriving aircraft 44%, air carrier 35% and national aviation system 19%.
- On time 76.8%
- Arrived 15+ minutes late 22.1%
- Cancelled 0.9%
- Diverted 0.3%
As origin and as destination, against the nation
| Measure | Departures from LAS | Arrivals at LAS | All reported flights | LAS departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 73.8% | 75.1% | 76.1% | 78.0% |
| Arrived on time | 76.8% | 77.6% | 76.0% | 79.8% |
| Cancelled | 0.9% | 0.9% | 1.8% | 0.6% |
| Diverted | 0.3% | 0.1% | 0.3% | 0.3% |
| Average departure delay (late minutes only) | 16.3 min | 16.1 min | 17.4 min | 14.1 min |
| Arrival delay minutes per 100 flights | 1,443 | 1,456 | 1,684 | 1,280 |
| Scheduled flights | 172,932 | 172,944 | 7,043,858 | 190,167 |
12 months to July 2026. The first column follows flights that left LAS; the second follows flights that landed there. Year on year, on-time departures moved −4.2 pts.
Airlines at LAS
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 86,313 | 50% | 73.6% | 7.4 min | 0.6% |
| DL Delta Air Lines | 15,657 | 9% | 84.1% | 0.6 min | 1.1% |
| UA United Airlines | 15,135 | 9% | 79.6% | 3.3 min | 0.6% |
| AA American Airlines | 14,083 | 8% | 79.3% | 6.5 min | 1.8% |
| F9 Frontier Airlines | 12,692 | 7% | 75.5% | 7.9 min | 1.3% |
| G4 Allegiant Air | 7,055 | 4% | 83.4% | 2.9 min | 0.4% |
| AS Alaska Airlines | 6,926 | 4% | 78.2% | 3.9 min | 1.0% |
| NK Spirit Airlines | 6,920 | 4% | 82.3% | 2.9 min | 1.6% |
| B6 JetBlue Airways | 3,970 | 2% | 76.2% | 5.8 min | 2.1% |
| OO SkyWest Airlines | 3,450 | 2% | 79.9% | 4.6 min | 1.0% |
| HA Hawaiian Airlines | 729 | 0% | 70.4% | 23.0 min | 0.3% |
Departures from LAS by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 76.8%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from LAS
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| LAS–LAX | Las Vegas to Los Angeles | 8,249 | 78.2% | 5.4 min | 0.7% |
| LAS–DEN | Las Vegas to Denver | 7,102 | 76.3% | 6.6 min | 0.8% |
| LAS–SFO | Las Vegas to San Francisco | 6,115 | 60.1% | 17.8 min | 0.7% |
| LAS–PHX | Las Vegas to Phoenix | 6,018 | 77.1% | 6.7 min | 1.0% |
| LAS–SAN | Las Vegas to San Diego | 5,631 | 64.4% | 15.4 min | 1.0% |
| LAS–SEA | Las Vegas to Seattle | 5,619 | 81.5% | 1.5 min | 0.9% |
| LAS–ORD | Las Vegas to Chicago | 5,237 | 75.1% | 9.7 min | 1.3% |
| LAS–DFW | Las Vegas to Dallas/Fort Worth | 5,139 | 77.8% | 8.5 min | 2.6% |
| LAS–ATL | Las Vegas to Atlanta | 4,771 | 83.5% | 1.9 min | 0.9% |
| LAS–SNA | Las Vegas to Santa Ana | 4,150 | 81.2% | 2.3 min | 0.7% |
| LAS–BUR | Las Vegas to Burbank | 4,131 | 78.1% | 4.1 min | 1.3% |
| LAS–SMF | Las Vegas to Sacramento | 4,123 | 78.1% | 4.6 min | 0.5% |
| LAS–RNO | Las Vegas to Reno | 4,102 | 78.7% | 3.9 min | 0.8% |
| LAS–SJC | Las Vegas to San Jose | 3,779 | 78.4% | 3.5 min | 0.3% |
| LAS–SLC | Las Vegas to Salt Lake City | 3,744 | 82.1% | 1.5 min | 0.7% |
| LAS–JFK | Las Vegas to New York | 3,709 | 78.9% | 1.9 min | 2.7% |
| LAS–IAH | Las Vegas to Houston | 3,432 | 83.0% | 3.0 min | 0.9% |
| LAS–OAK | Las Vegas to Oakland | 3,258 | 72.5% | 9.4 min | 0.4% |
| LAS–PDX | Las Vegas to Portland | 2,956 | 78.5% | 4.1 min | 0.6% |
| LAS–EWR | Las Vegas to Newark | 2,926 | 79.5% | 1.7 min | 1.8% |
| LAS–AUS | Las Vegas to Austin | 2,877 | 73.3% | 9.9 min | 0.5% |
| LAS–DAL | Las Vegas to Dallas | 2,842 | 69.8% | 10.7 min | 1.5% |
| LAS–DTW | Las Vegas to Detroit | 2,789 | 80.5% | 3.7 min | 0.6% |
| LAS–ONT | Las Vegas to Ontario | 2,476 | 75.2% | 6.2 min | 0.7% |
| LAS–MDW | Las Vegas to Chicago | 2,300 | 74.9% | 5.6 min | 0.7% |
| LAS–HNL | Las Vegas to Honolulu | 2,202 | 76.4% | 7.7 min | 0.3% |
| LAS–MSP | Las Vegas to Minneapolis | 2,134 | 84.3% | -0.1 min | 1.0% |
| LAS–LGB | Las Vegas to Long Beach | 2,117 | 76.8% | 4.8 min | 0.3% |
| LAS–STL | Las Vegas to St. Louis | 2,101 | 78.2% | 4.6 min | 0.4% |
| LAS–CLT | Las Vegas to Charlotte | 2,088 | 87.2% | -3.2 min | 1.0% |
| LAS–BNA | Las Vegas to Nashville | 2,051 | 77.1% | 4.7 min | 0.8% |
| LAS–SAT | Las Vegas to San Antonio | 2,024 | 74.3% | 8.8 min | 0.3% |
| LAS–HOU | Las Vegas to Houston | 2,021 | 72.7% | 8.7 min | 0.4% |
| LAS–MCI | Las Vegas to Kansas City | 1,992 | 75.4% | 6.0 min | 0.7% |
| LAS–MCO | Las Vegas to Orlando | 1,959 | 73.9% | 7.7 min | 0.3% |
| LAS–BWI | Las Vegas to Baltimore | 1,782 | 77.9% | 2.9 min | 0.8% |
| LAS–ABQ | Las Vegas to Albuquerque | 1,716 | 76.6% | 6.4 min | 0.5% |
| LAS–FAT | Las Vegas to Fresno | 1,714 | 77.1% | 5.8 min | 0.6% |
| LAS–BOS | Las Vegas to Boston | 1,610 | 74.2% | 9.4 min | 1.4% |
| LAS–PHL | Las Vegas to Philadelphia | 1,488 | 80.4% | 0.9 min | 1.4% |
| LAS–MIA | Las Vegas to Miami | 1,413 | 81.0% | 3.4 min | 0.8% |
| LAS–BOI | Las Vegas to Boise | 1,362 | 73.0% | 9.1 min | 0.1% |
| LAS–IND | Las Vegas to Indianapolis | 1,349 | 73.2% | 9.9 min | 0.4% |
| LAS–TUS | Las Vegas to Tucson | 1,336 | 75.7% | 6.2 min | 0.5% |
| LAS–ELP | Las Vegas to El Paso | 1,334 | 73.7% | 8.4 min | 0.4% |
| LAS–OKC | Las Vegas to Oklahoma City | 1,226 | 75.5% | 6.8 min | 0.8% |
| LAS–OMA | Las Vegas to Omaha | 1,127 | 76.9% | 6.3 min | 0.3% |
| LAS–IAD | Las Vegas to Washington | 1,078 | 85.2% | -5.0 min | 0.6% |
| LAS–MKE | Las Vegas to Milwaukee | 1,049 | 73.5% | 6.2 min | 0.8% |
| LAS–FLL | Las Vegas to Fort Lauderdale | 1,038 | 73.4% | 10.3 min | 2.2% |
| LAS–TPA | Las Vegas to Tampa | 1,031 | 68.1% | 14.3 min | 0.9% |
| LAS–CLE | Las Vegas to Cleveland | 993 | 73.1% | 6.2 min | 1.2% |
| LAS–CMH | Las Vegas to Columbus | 896 | 73.7% | 8.9 min | 0.8% |
| LAS–SBA | Las Vegas to Santa Barbara | 885 | 76.9% | 3.5 min | 1.0% |
| LAS–COS | Las Vegas to Colorado Springs | 861 | 75.4% | 7.3 min | 0.2% |
| LAS–GEG | Las Vegas to Spokane | 855 | 75.4% | 5.7 min | 0.6% |
| LAS–MSY | Las Vegas to New Orleans | 837 | 72.8% | 8.7 min | 0.5% |
| LAS–PSP | Las Vegas to Palm Springs | 744 | 72.2% | 9.0 min | 0.9% |
| LAS–TUL | Las Vegas to Tulsa | 742 | 75.6% | 6.9 min | 1.1% |
| LAS–OGG | Las Vegas to Kahului | 735 | 83.3% | 2.6 min | 0.7% |
| LAS–DCA | Las Vegas to Washington | 728 | 74.0% | 5.1 min | 1.0% |
| LAS–PIT | Las Vegas to Pittsburgh | 717 | 75.2% | 6.0 min | 0.4% |
| LAS–CVG | Las Vegas to Cincinnati | 675 | 81.8% | 1.8 min | 1.3% |
| LAS–RDU | Las Vegas to Raleigh/Durham | 611 | 80.4% | 1.7 min | 1.1% |
| LAS–BZN | Las Vegas to Bozeman | 599 | 76.3% | 4.7 min | 0.3% |
| LAS–DSM | Las Vegas to Des Moines | 595 | 78.0% | 7.3 min | 0.3% |
| LAS–MEM | Las Vegas to Memphis | 582 | 76.6% | 6.0 min | 0.5% |
| LAS–EUG | Las Vegas to Eugene | 473 | 85.6% | -1.4 min | 0.0% |
| LAS–ICT | Las Vegas to Wichita | 473 | 72.9% | 6.3 min | 0.2% |
| LAS–PAE | Las Vegas to Everett | 450 | 85.8% | -6.8 min | 1.3% |
| LAS–BLI | Las Vegas to Bellingham | 434 | 85.3% | 1.2 min | 1.2% |
| LAS–MFE | Las Vegas to Mission/McAllen/Edinburg | 426 | 89.2% | -2.2 min | 0.5% |
| LAS–SDF | Las Vegas to Louisville | 399 | 69.4% | 11.8 min | 1.0% |
| LAS–SCK | Las Vegas to Stockton | 398 | 82.2% | 4.7 min | 0.3% |
| LAS–GRR | Las Vegas to Grand Rapids | 385 | 80.3% | 5.5 min | 0.0% |
| LAS–LBB | Las Vegas to Lubbock | 366 | 85.8% | -0.5 min | 1.1% |
| LAS–KOA | Las Vegas to Kona | 365 | 84.9% | -6.1 min | 0.0% |
| LAS–LIH | Las Vegas to Lihue | 365 | 84.7% | -6.7 min | 0.0% |
| LAS–MAF | Las Vegas to Midland/Odessa | 365 | 81.6% | 2.8 min | 0.5% |
| LAS–AMA | Las Vegas to Amarillo | 364 | 87.4% | -4.0 min | 1.1% |
| LAS–LIT | Las Vegas to Little Rock | 360 | 71.7% | 6.4 min | 0.6% |
| LAS–BHM | Las Vegas to Birmingham | 359 | 73.3% | 5.5 min | 0.3% |
| LAS–STS | Las Vegas to Santa Rosa | 346 | 78.0% | 1.2 min | 0.0% |
| LAS–BUF | Las Vegas to Buffalo | 302 | 70.9% | 8.4 min | 0.7% |
| LAS–ANC | Las Vegas to Anchorage | 276 | 62.0% | 13.3 min | 0.7% |
| LAS–FSD | Las Vegas to Sioux Falls | 174 | 87.9% | -1.7 min | 0.6% |
| LAS–ATW | Las Vegas to Appleton | 171 | 81.9% | 0.5 min | 0.6% |
| LAS–ALB | Las Vegas to Albany | 154 | 75.3% | 2.7 min | 0.6% |
| LAS–MFR | Las Vegas to Medford | 152 | 81.6% | -1.3 min | 0.0% |
| LAS–ROC | Las Vegas to Rochester | 149 | 78.5% | 5.2 min | 0.0% |
| LAS–FAR | Las Vegas to Fargo | 140 | 87.1% | -6.1 min | 0.0% |
| LAS–BIL | Las Vegas to Billings | 129 | 87.6% | 2.9 min | 0.0% |
| LAS–PSC | Las Vegas to Pasco/Kennewick/Richland | 124 | 83.1% | 3.4 min | 0.0% |
| LAS–SGF | Las Vegas to Springfield | 124 | 91.9% | 2.3 min | 0.0% |
The 94 busiest of 129 routes with reported flights. Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 3,459 departures, 6 am to 7 am had the highest on-time share (93.3% of 11,236 flights) and 8 pm to 9 pm the lowest (59.0% of 4,798).
Delay causes
Cancellations by reported reason (1,487 in the period): air carrier 34%, weather 48%, national aviation system 18%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for LAS on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave LAS on time?
73.8% of the 172,932 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 0.9% were cancelled.
How often do flights arrive at LAS on time?
77.6% of 172,944 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at LAS?
Counting departures from LAS and whether they reached their destination on time, Delta Air Lines had the highest share (84.1% of 15,657 flights), then Allegiant Air (83.4%) and Spirit Airlines (82.3%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at LAS?
For departures from LAS that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 44%, air carrier 35%, national aviation system 19%, extreme weather 2%, security 0%.
What time of day has the highest on-time share at LAS?
Departures scheduled from 6 am to 7 am local time left on time 93.3% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 59.0%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 73.8%, down 4.2 points on the previous 12 months (78.0%). The monthly chart shows each of the last 36 months, and each month has its own page.
Does this page show today's delays at LAS?
No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.