Alaska Airlines On-Time Performance and Delays
Ranked 4th of 14 US airlines for on-time arrivals
Data through July 2026 · Last updated October 18, 2026
Alaska Airlines ranked 4th of 14 reporting airlines for punctuality, with 79.6% of flights arriving on time in the last 12 months.
That is 2.0 points above the US average of 77.6%, and 1.2% of its 301,435 scheduled flights were cancelled.
Late-arriving aircraft accounted for 38% of reported delay minutes, the largest cause.
Over 24 months, Tuesday was the most reliable day (82% on time) and July the worst month (74%).
Alaska Airlines on-time performance by month
On-time arrival % each month, with the 12-month US average for reference.
Show the numbers
| Month | On time | Cancelled | Avg delay when late | Flights |
|---|---|---|---|---|
| July 2026 | 76.8% | 0.8% | 52 min | 31,682 |
| June 2026 | 80.7% | 0.7% | 49 min | 29,891 |
| May 2026 | 83.2% | 0.7% | 48 min | 29,184 |
| April 2026 | 84.2% | 0.4% | 48 min | 27,222 |
| March 2026 | 78.1% | 1.9% | 58 min | 27,793 |
| February 2026 | 82.9% | 1.2% | 49 min | 24,013 |
| January 2026 | 79.0% | 2.0% | 56 min | 26,436 |
| December 2025 | 72.0% | 1.4% | 53 min | 21,102 |
| November 2025 | 81.2% | 1.3% | 50 min | 19,752 |
| October 2025 | 80.1% | 2.1% | 56 min | 20,637 |
| September 2025 | 83.6% | 0.6% | 48 min | 20,747 |
| August 2025 | 72.8% | 1.1% | 49 min | 22,976 |
| July 2025 | 69.4% | 2.2% | 54 min | 23,619 |
| June 2025 | 69.7% | 0.8% | 50 min | 22,576 |
| May 2025 | 74.8% | 0.6% | 50 min | 21,751 |
| April 2025 | 81.1% | 0.4% | 49 min | 19,025 |
| March 2025 | 81.1% | 0.7% | 51 min | 18,925 |
| February 2025 | 78.9% | 2.2% | 53 min | 16,315 |
| January 2025 | 82.4% | 1.3% | 51 min | 18,163 |
| December 2024 | 78.2% | 0.6% | 54 min | 20,027 |
| November 2024 | 83.1% | 0.6% | 46 min | 19,462 |
| October 2024 | 83.1% | 0.8% | 46 min | 20,503 |
| September 2024 | 79.8% | 0.7% | 45 min | 21,548 |
| August 2024 | 74.8% | 1.1% | 51 min | 23,265 |
Why Alaska Airlines flights are delayed
Share of reported delay minutes by BTS cause category, last 12 months.
Alaska Airlines: most and least punctual routes
Routes with at least 300 Alaska Airlines flights in the last 12 months, by on-time arrival %.
80%+ good 70–79.9% fair <70% poor
Best time of day to fly Alaska Airlines
On-time arrival % by scheduled departure hour (local time), last 24 months.
Best day of the week to fly Alaska Airlines
On-time arrival % by day of departure, last 24 months.
Alaska Airlines during holiday travel
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 78.7% | -1.7 pts | 1.0% | 9,127 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.2% | -7.2 pts | 1.2% | 21,345 |
| Summer peak (Jun 15 - Aug 15) | 73.4% | -7.0 pts | 1.2% | 106,689 |
| All other days | 80.4% | — | 1.1% | 409,453 |
Alaska Airlines at its busiest airports
On-time departures from each airport, last 12 months.
| Airport | On-time departures | Cancelled | Departures |
|---|---|---|---|
| Seattle (SEA) | 76.4% | 0.9% | 76,779 |
| Portland (PDX) | 84.9% | 0.7% | 23,990 |
| Honolulu (HNL) | 78.8% | 1.4% | 20,682 |
| Anchorage (ANC) | 85.3% | 1.2% | 14,985 |
| San Diego (SAN) | 77.1% | 1.4% | 13,044 |
| San Francisco (SFO) | 77.7% | 1.0% | 10,524 |
| Kahului (OGG) | 78.0% | 1.1% | 9,923 |
| Los Angeles (LAX) | 80.5% | 0.8% | 9,630 |
| Las Vegas (LAS) | 76.8% | 0.9% | 6,926 |
| Kona (KOA) | 80.7% | 1.3% | 6,768 |
| Lihue (LIH) | 78.4% | 1.7% | 6,469 |
| Phoenix (PHX) | 84.5% | 0.6% | 5,634 |
| Juneau (JNU) | 84.5% | 2.1% | 4,575 |
| Santa Ana (SNA) | 87.6% | 1.1% | 4,373 |
| New York (JFK) | 79.2% | 2.6% | 3,991 |