Route
JNU → SEA
Juneau International Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 81.4%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,589
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 32%
- Air traffic control & airport 19%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.4% | 180 |
| October 2025 | 80.3% | 125 |
| November 2025 | 87.4% | 88 |
| December 2025 | 69.5% | 89 |
| January 2026 | 78.2% | 92 |
| February 2026 | 82.9% | 84 |
| March 2026 | 69.2% | 93 |
| April 2026 | 91.1% | 90 |
| May 2026 | 83.8% | 130 |
| June 2026 | 86.2% | 198 |
| July 2026 | 82.4% | 216 |
| August 2026 | 81.6% | 204 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 1,448 | 80.4% | 1.9% | 65 min |
| Delta Air Lines | 141 | 92.1% | 1.4% | 122 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS66
16% late · 357 flights
-
AS176
21% late · 230 flights
-
AS142
27% late · 174 flights
-
DL1605
2% late · 85 flights
-
AS446
35% late · 83 flights
-
AS456
28% late · 83 flights
-
AS1533
20% late · 70 flights
-
AS1554
6% late · 70 flights
-
AS445
4% late · 69 flights
-
DL2878
16% late · 56 flights
-
AS42
26% late · 55 flights
-
AS316
19% late · 48 flights
-
AS74
16% late · 34 flights
-
AS186
22% late · 33 flights
-
AS95
25% late · 28 flights
-
AS1403
7% late · 27 flights
-
AS433
7% late · 27 flights
-
AS311
24% late · 21 flights
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