ON TIMEBOARD

ATL → HNL on time

Atlanta Hartsfield-Jackson (Atlanta, GA) to Honolulu (Honolulu, HI). Every scheduled flight, September 2025 to August 2026.

On time
78%
arrived < 15 min late
Cancelled
0.5%
383 flights
Typical arrival
−3 min
median vs schedule
When late
+45 min
average delay
Flights / day
1
1 airline

78% of flights from Atlanta to Honolulu arrived on time over the past 12 months. That is about the typical U.S. route. 5% 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 ATL → HNL: when a flight was late, it was under 45 minutes late 76% of the time. About 1 in 27 flights landed an hour or more late, and 1 in 192 three hours or more; 0.5% were cancelled outright.

Share of all 383 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines38378%0.5%−3 min3.7%+45 minDelta Air Lines

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 ATL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: 79% on time (335 flights)799a10 a.m. departures: too few flights (30 flights)10a
ATL → HNL, 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

By month

Each calendar month pooled over 2023–2026. Best: December (83%). Worst: December (83%).

40%70%100%Jan: too few flights (98 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (93 flights)MarApr: too few flights (90 flights)AprMay: too few flights (93 flights)MayJun: too few flights (90 flights)JunJul: too few flights (93 flights)JulAug: too few flights (93 flights)AugSep: too few flights (90 flights)SepOct: too few flights (93 flights)OctNov: too few flights (90 flights)NovDec: 83% on time (106 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday56——
Tuesday54——
Wednesday54——
Thursday54——
Friday55——
Saturday55——
Sunday55——

Why flights were late

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

Airline (crew, maintenance, ops) 72%Air traffic & airport (NAS) 24%Severe weather 3%Late inbound plane 2%

Cancellations: airline 1 · weather 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
DL 8379:50 a.m.36579%0.5%−4 minDelta Air Lines

Questions

How often are flights from ATL to HNL on time?

78% of 383 scheduled flights from Atlanta, GA to Honolulu, HI arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What month has the most delays from ATL to HNL?

December (83% on time). The best month is December (83%), over 2023–2026.

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.