Airlines › Alaska Airlines
Reporting carrier · 12 months to July 2026
Alaska Airlines: on-time performance
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.
In the 12 months to July 2026, Alaska Airlines (BTS code AS) reported 301,435 scheduled domestic flights across 495 routes and 91 airports.
78.5% of its flights arrived on time, 2.5 points above the 76.0% recorded for all reporting carriers together. 1.2% were cancelled (all carriers: 1.8%) and 0.3% diverted; flights that arrived were 2.9 min late on average.
Its busiest airports by departures are Seattle (SEA, 25% of departures), Portland (PDX, 8% of departures) and Honolulu (HNL, 7% of departures).
The on-time share is up 1.8 points on the previous 12 months (76.7%); the cancellation share moved from 1.0% to 1.2%.
Of the delay minutes that carriers assigned to a BTS cause category on its flights, late-arriving aircraft 38%, air carrier 33% and national aviation system 24%.
- On time 78.5%
- Arrived 15+ minutes late 20.1%
- Cancelled 1.2%
- Diverted 0.3%
Against all reporting carriers
| Measure | Alaska Airlines | All reporting carriers | AS, previous 12 months |
|---|---|---|---|
| Arrived on time | 78.5% | 76.0% | 76.7% |
| Departed on time | 79.0% | 76.1% | 79.4% |
| Arrived 15+ minutes late | 20.1% | 21.9% | 22.0% |
| Cancelled | 1.2% | 1.8% | 1.0% |
| Diverted | 0.3% | 0.3% | 0.3% |
| Average arrival delay | 2.9 min | 8.1 min | 4.5 min |
| Arrival delay minutes per 100 flights | 1,159 | 1,684 | 1,237 |
| Scheduled flights | 301,435 | 7,043,858 | 245,179 |
By on-time share, Alaska Airlines is 3 of 13 reporting carriers in the 12 months to July 2026; the full table is on the airline on-time ranking. Year on year: +1.8 pts on time.
Month by month
Busiest airports
| Airport | Departures | Share of carrier | On time | Avg arrival delay | Cancelled | Airport, all carriers |
|---|---|---|---|---|---|---|
| SEA Seattle | 76,779 | 25.5% | 77.1% | 2.6 min | 0.9% | 78.6% |
| PDX Portland | 23,990 | 8% | 82.5% | 0.6 min | 0.6% | 82.0% |
| HNL Honolulu | 20,682 | 6.9% | 75.9% | 9.2 min | 1.4% | 82.0% |
| ANC Anchorage | 14,985 | 5% | 84.7% | -2.4 min | 1.2% | 83.5% |
| SAN San Diego | 13,044 | 4.3% | 77.3% | 2.2 min | 1.3% | 76.1% |
| SFO San Francisco | 10,524 | 3.5% | 75.4% | 5.1 min | 1.0% | 75.6% |
| OGG Kahului | 9,923 | 3.3% | 75.3% | 7.5 min | 1.1% | 82.4% |
| LAX Los Angeles | 9,630 | 3.2% | 80.1% | 0.8 min | 0.8% | 79.0% |
| LAS Las Vegas | 6,926 | 2.3% | 78.2% | 3.9 min | 1.0% | 76.8% |
| KOA Kona | 6,768 | 2.2% | 78.5% | 5.8 min | 1.3% | 84.7% |
| LIH Lihue | 6,469 | 2.1% | 76.5% | 7.3 min | 1.7% | 83.7% |
| PHX Phoenix | 5,634 | 1.9% | 84.2% | -0.3 min | 0.6% | 77.4% |
| JNU Juneau | 4,575 | 1.5% | 80.1% | 1.2 min | 2.1% | 80.4% |
| SNA Santa Ana | 4,373 | 1.5% | 88.6% | -6.1 min | 1.1% | 80.3% |
| JFK New York | 3,991 | 1.3% | 69.7% | 10.1 min | 2.6% | 72.8% |
| ORD Chicago | 3,307 | 1.1% | 67.2% | 13.5 min | 1.8% | 69.4% |
| FAI Fairbanks | 3,276 | 1.1% | 84.1% | -1.5 min | 0.8% | 82.0% |
| EWR Newark | 3,044 | 1% | 72.0% | 5.9 min | 2.3% | 75.3% |
| GEG Spokane | 2,926 | 1% | 84.4% | 0.3 min | 1.0% | 83.8% |
| SJC San Jose | 2,922 | 1% | 84.2% | -2.5 min | 0.9% | 81.9% |
| ITO Hilo | 2,815 | 0.9% | 74.2% | 10.3 min | 1.7% | 82.8% |
| DEN Denver | 2,786 | 0.9% | 77.3% | 4.6 min | 0.7% | 76.1% |
| BUR Burbank | 2,673 | 0.9% | 84.8% | -3.0 min | 1.8% | 80.9% |
| SMF Sacramento | 2,612 | 0.9% | 82.2% | 1.7 min | 0.8% | 81.4% |
| BOS Boston | 2,443 | 0.8% | 71.0% | 6.0 min | 1.1% | 73.3% |
The 25 airports with the most AS departures of 91 served. On time means the flight reached its destination less than 15 minutes late; the pill is green when the carrier is at or above the figure for all carriers' departures from that airport (last column).
Busiest routes
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SEA–ANC | Seattle to Anchorage | 4,982 | 75.4% | 4.7 min | 0.9% |
| ANC–SEA | Anchorage to Seattle | 4,980 | 85.2% | -3.7 min | 0.9% |
| OGG–HNL | Kahului to Honolulu | 4,069 | 75.7% | 10.0 min | 1.6% |
| HNL–OGG | Honolulu to Kahului | 4,066 | 76.7% | 9.5 min | 1.4% |
| LIH–HNL | Lihue to Honolulu | 3,446 | 76.2% | 8.9 min | 2.5% |
| HNL–LIH | Honolulu to Lihue | 3,443 | 76.5% | 9.0 min | 2.2% |
| SEA–LAX | Seattle to Los Angeles | 3,289 | 79.9% | 1.1 min | 0.9% |
| LAX–SEA | Los Angeles to Seattle | 3,287 | 84.5% | -2.9 min | 0.9% |
| KOA–HNL | Kona to Honolulu | 3,231 | 76.3% | 9.8 min | 1.6% |
| HNL–KOA | Honolulu to Kona | 3,229 | 80.6% | 7.3 min | 1.5% |
| SEA–PHX | Seattle to Phoenix | 2,887 | 78.4% | 2.0 min | 0.6% |
| PHX–SEA | Phoenix to Seattle | 2,884 | 83.8% | 0.8 min | 0.7% |
| SEA–SAN | Seattle to San Diego | 2,741 | 72.9% | 5.9 min | 1.1% |
| SAN–SEA | San Diego to Seattle | 2,739 | 76.8% | 4.3 min | 1.8% |
| SFO–SEA | San Francisco to Seattle | 2,713 | 68.7% | 10.8 min | 1.3% |
| SEA–SFO | Seattle to San Francisco | 2,710 | 57.1% | 19.3 min | 1.2% |
| HNL–ITO | Honolulu to Hilo | 2,633 | 77.7% | 9.0 min | 1.8% |
| ITO–HNL | Hilo to Honolulu | 2,630 | 73.5% | 10.7 min | 1.8% |
| SEA–LAS | Seattle to Las Vegas | 2,622 | 78.1% | 3.6 min | 0.8% |
| LAS–SEA | Las Vegas to Seattle | 2,621 | 82.2% | 2.3 min | 1.1% |
| SEA–SNA | Seattle to Santa Ana | 2,580 | 85.1% | -3.3 min | 0.8% |
| SNA–SEA | Santa Ana to Seattle | 2,578 | 86.6% | -4.9 min | 1.0% |
| SEA–SJC | Seattle to San Jose | 1,881 | 80.2% | 1.3 min | 1.1% |
| SJC–SEA | San Jose to Seattle | 1,878 | 80.5% | 0.2 min | 1.3% |
| LAX–PDX | Los Angeles to Portland | 1,846 | 89.5% | -5.8 min | 0.5% |
The 25 routes with the most AS flights of 495 flown. Figures are for this carrier's flights only; the route pages compare every carrier on the route.
By scheduled departure hour
Delay causes and cancellations
Cancellations by reported reason (3,488 in the period): air carrier 56%, weather 37%, national aviation system 7%, security 0%.
Questions and answers
What is Alaska Airlines's on-time performance?
78.5% of 301,435 scheduled domestic flights in the 12 months to July 2026 arrived less than 15 minutes late. All reporting carriers together recorded 76.0%.
How often does Alaska Airlines cancel flights?
1.2% of its scheduled domestic flights were cancelled in the period, against 1.8% for all reporting carriers.
What causes Alaska Airlines delays?
For flights that arrived 15 or more minutes late, the carrier attributed the delay minutes as follows: late-arriving aircraft 38%, air carrier 33%, national aviation system 24%, extreme weather 4%, security 0%. Carriers assign these categories themselves under BTS rules.
At which airports does Alaska Airlines have its highest on-time share?
Among its 25 busiest airports with at least 600 departures, flights leaving Santa Ana (SNA) had the highest on-time arrival share at 88.6%, and those leaving Chicago (ORD) the lowest at 67.2%.
What time of day has the highest on-time share?
Its flights scheduled to depart from 6 am to 7 am local time arrived on time 89.2% of the time; those scheduled from 7 pm to 8 pm did so 72.8% of the time.
Is it getting better?
The on-time share for the 12 months to July 2026 was 78.5%, up 1.8 points on the previous 12 months (76.7%).
Why are some airlines missing?
Only carriers with at least 0.5 percent of domestic scheduled passenger revenue must report on-time data to BTS. Smaller carriers, charter operators and foreign airlines are not in the files, and flights to or from other countries are not covered.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; carrier name from the BTS unique carrier lookup. US government works in the public domain. The carrier code is the BTS reporting-carrier code, which identifies the company that operated the flight, not the brand it was sold under. Totals and averages only. See the methodology and which airlines report.