ON TIMEBOARD

ANC → SCC on time

Ted Stevens Anchorage (Anchorage, AK) to Deadhorse (Deadhorse, AK). Every scheduled flight, September 2025 to August 2026.

On time
86%
arrived < 15 min late
Cancelled
2.3%
514 flights
Typical arrival
−13 min
median vs schedule
When late
+67 min
average delay
Flights / day
1
1 airline

86% of flights from Anchorage to Deadhorse arrived on time over the past 12 months. That is better than the typical U.S. route. The 5 a.m. departures ran on time 88% of the time; the 3 p.m. ones 83%. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ANC → SCC: when a flight was late, it was under 45 minutes late 54% of the time. About 1 in 30 flights landed an hour or more late, and 1 in 171 three hours or more; 2.3% were cancelled outright.

Share of all 514 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines51486%2.3%−13 min3.3%+67 minAlaska Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at ANC). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 88% on time (263 flights)885a6 a.m. departures: too few flights6a7 a.m. departures: too few flights7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights (44 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (1 flights)2p3 p.m. departures: 83% on time (206 flights)833p
ANC → SCC, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On ANC → SCC, each airline's last flight of the day was cancelled 1.9% of the time, against 2.9% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Alaska Airlines3:34 p.m.1.9%0.0%2.9%first flight 5:44 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (94%). Worst: January (70%).

40%70%100%Jan: 70% on time (136 flights)70JanFeb: 85% on time (130 flights)85FebMar: 86% on time (138 flights)86MarApr: 83% on time (140 flights)83AprMay: 91% on time (141 flights)91MayJun: 90% on time (135 flights)90JunJul: 83% on time (145 flights)83JulAug: 86% on time (137 flights)86AugSep: 94% on time (124 flights)94SepOct: 85% on time (130 flights)85OctNov: 88% on time (119 flights)88NovDec: 85% on time (123 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday10687%0.9%
Tuesday10487%1.0%
Wednesday10485%3.9%
Thursday98——
Friday52——
Saturday50——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Severe weather 39%Late inbound plane 28%Airline (crew, maintenance, ops) 20%Air traffic & airport (NAS) 13%

Cancellations: weather 11 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 555:44 a.m.25988%2.3%−14 minAlaska Airlines
AS 863:45 p.m.20683%1.9%−10 minAlaska Airlines

Questions

How often are flights from ANC to SCC on time?

86% of 514 scheduled flights from Anchorage, AK to Deadhorse, AK arrived within 15 minutes of schedule between September 2025 and August 2026. 2.3% were cancelled.

What is the best time of day to fly ANC to SCC?

Flights scheduled to leave at 5 a.m. were the most reliable (88% on time). The 3 p.m. departures were the least (83%).

What month has the most delays from ANC to SCC?

January (70% on time). The best month is September (94%), over 2023–2026.

Is the last flight of the day from ANC to SCC more likely to be cancelled?

No, the opposite. Each airline's last ANC–SCC flight of the day was cancelled 1.9% of the time over the past year, against 2.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.