Route
SEA → HNL
Seattle–Tacoma International Airport Daniel K. Inouye International Airport
How punctual is this route?
- On-time arrivals
- 66.2%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,927
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 65%
- Late-arriving aircraft 21%
- Air traffic control & airport 13%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 74.5% | 240 |
| October 2025 | 77.6% | 248 |
| November 2025 | 64.8% | 234 |
| December 2025 | 60.6% | 256 |
| January 2026 | 70.9% | 250 |
| February 2026 | 60.9% | 231 |
| March 2026 | 51.6% | 260 |
| April 2026 | 76.5% | 239 |
| May 2026 | 72.2% | 247 |
| June 2026 | 68.6% | 237 |
| July 2026 | 54.0% | 243 |
| August 2026 | 62.4% | 242 |
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 | 1,659 | 61.7% | 1.3% | 71 min |
| Delta Air Lines | 789 | 76.4% | 0.4% | 59 min |
| Hawaiian Airlines | 479 | 64.9% | 1.9% | 105 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL351
16% late · 365 flights
-
DL419
29% late · 358 flights
-
AS626
38% late · 266 flights
-
AS821
26% late · 222 flights
-
AS899
51% late · 203 flights
-
AS221
31% late · 153 flights
-
AS841
44% late · 122 flights
-
AS991
44% late · 110 flights
-
AS121
36% late · 101 flights
-
AS761
43% late · 70 flights
-
HA841
43% late · 67 flights
-
HA821
45% late · 65 flights
-
HA899
36% late · 60 flights
-
AS855
78% late · 59 flights
-
AS887
19% late · 55 flights
-
HA21
15% late · 55 flights
-
HA27
24% late · 55 flights
-
HA633
20% late · 55 flights
-
HA669
40% late · 55 flights
-
AS823
19% late · 54 flights
-
AS141
36% late · 45 flights
-
AS1463
40% late · 42 flights
-
AS506
48% late · 42 flights
-
DL487
22% late · 41 flights
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