Airports › Alaska
Airport · 12 months to July 2026
Juneau International: delays and on-time record
Juneau, Alaska
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.
Juneau International (JNU) in Juneau, Alaska had 4,716 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 13 a day, on 7 routes.
83.0% of those flights left the gate less than 15 minutes late, 6.9 points above the national departure figure of 76.1%. Flights arriving at JNU were on time 81.8% of the time, 5.8 points above the national arrival figure of 76.0%.
2.1% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 11.7 min.
Alaska Airlines is the largest reporting carrier at JNU with 97% of departures. Among carriers with at least 120 departures, Delta Air Lines had the highest on-time arrival share for its JNU departures (91.5%) and Alaska Airlines the lowest (80.1%).
On-time departures are down 3.2 points on the previous 12 months (86.2%).
Of the delay minutes that carriers assigned to a BTS cause category for flights leaving JNU, late-arriving aircraft 47%, air carrier 29% and national aviation system 15%.
- On time 80.4%
- Arrived 15+ minutes late 16.7%
- Cancelled 2.1%
- Diverted 0.7%
As origin and as destination, against the nation
| Measure | Departures from JNU | Arrivals at JNU | All reported flights | JNU departures, previous 12 months |
|---|---|---|---|---|
| Departed on time (less than 15 min late) | 83.0% | 81.1% | 76.1% | 86.2% |
| Arrived on time | 80.4% | 81.8% | 76.0% | 83.8% |
| Cancelled | 2.1% | 2.0% | 1.8% | 1.6% |
| Diverted | 0.7% | 0.7% | 0.3% | 0.4% |
| Average departure delay (late minutes only) | 11.7 min | 10.8 min | 17.4 min | 9.1 min |
| Arrival delay minutes per 100 flights | 1,186 | 980 | 1,684 | 967 |
| Scheduled flights | 4,716 | 4,716 | 7,043,858 | 4,703 |
12 months to July 2026. The first column follows flights that left JNU; the second follows flights that landed there. Year on year, on-time departures moved −3.2 pts.
Airlines at JNU
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AS Alaska Airlines | 4,575 | 97% | 80.1% | 1.2 min | 2.1% |
| DL Delta Air Lines | 141 | 3% | 91.5% | -2.0 min | 0.7% |
Departures from JNU 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 80.4%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.
Busiest routes from JNU
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| JNU–SEA | Juneau to Seattle | 1,590 | 79.3% | 4.4 min | 1.8% |
| JNU–ANC | Juneau to Anchorage | 1,230 | 81.2% | 0.7 min | 2.9% |
| JNU–SIT | Juneau to Sitka | 725 | 82.2% | -4.1 min | 2.1% |
| JNU–PSG | Juneau to Petersburg | 362 | 77.3% | 5.0 min | 1.4% |
| JNU–KTN | Juneau to Ketchikan | 361 | 82.0% | -1.3 min | 1.7% |
| JNU–YAK | Juneau to Yakutat | 361 | 80.9% | -2.9 min | 1.1% |
| JNU–GST | Juneau to Gustavus | 87 | 79.3% | -0.9 min | 5.7% |
Routes with at least 10 flights a month have their own page.
Month by month
By scheduled departure hour
Among hours with at least 94 departures, 5 am to 6 am had the highest on-time share (93.7% of 143 flights) and 12 pm to 1 pm the lowest (73.8% of 172).
Delay causes
Cancellations by reported reason (99 in the period): air carrier 39%, weather 60%, national aviation system 1%, security 0%.
Checkpoint volumes
TSA publishes daily checkpoint passenger counts for the country as a whole, not for JNU on its own. The national series through September 2026 is on the checkpoint volumes page.
Questions and answers
How often do flights leave JNU on time?
83.0% of the 4,716 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.1% were cancelled.
How often do flights arrive at JNU on time?
81.8% of 4,716 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.
Which airline has the highest on-time share at JNU?
Counting departures from JNU and whether they reached their destination on time, Delta Air Lines had the highest share (91.5% of 141 flights), then Alaska Airlines (80.1%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.
What causes delays at JNU?
For departures from JNU that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 47%, air carrier 29%, national aviation system 15%, extreme weather 8%, security 1%.
What time of day has the highest on-time share at JNU?
Departures scheduled from 5 am to 6 am local time left on time 93.7% of the time, the highest of any hour with enough flights to compare; 12 pm to 1 pm was lowest at 73.8%.
Is it getting better?
On-time departures for the 12 months to July 2026 were 83.0%, down 3.2 points on the previous 12 months (86.2%). 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 JNU?
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.