ON TIMEBOARD

HSV → ATL on time

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

On time
85%
arrived < 15 min late
Cancelled
1.6%
2,746 flights
Typical arrival
−15 min
median vs schedule
When late
+87 min
average delay
Flights / day
8
1 airline

85% of flights from Huntsville to Atlanta arrived on time over the past 12 months. That is better than the typical U.S. route. The 10 a.m. departures ran on time 92% of the time; the 4 p.m. ones 77%. 8% 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 HSV → ATL: when a flight was late, it was under 45 minutes late 42% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 64 three hours or more; 1.6% were cancelled outright.

Share of all 2,746 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines2,74685%1.6%−15 min6.0%+87 minDelta Air Lines 81%, Endeavor Air 19%, SkyWest 0%

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

40%70%100%5 a.m. departures: 92% on time (279 flights)925a6 a.m. departures: too few flights (85 flights)6a7 a.m. departures: 88% on time (360 flights)887a8 a.m. departures: 87% on time (206 flights)878a9 a.m. departures: 91% on time (309 flights)919a10 a.m. departures: 92% on time (166 flights)9210a11 a.m. departures: too few flights (16 flights)11anoon departures: 83% on time (218 flights)8312p1 p.m. departures: 86% on time (131 flights)861p2 p.m. departures: 78% on time (290 flights)782p3 p.m. departures: too few flights (63 flights)3p4 p.m. departures: 77% on time (185 flights)774p5 p.m. departures: 78% on time (174 flights)785p6 p.m. departures: 80% on time (217 flights)806p7 p.m. departures: too few flights (47 flights)7p
HSV → ATL, 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 HSV → ATL, each airline's last flight of the day was cancelled 2.5% of the time, against 1.5% for its earlier flights (1.6× as often). It arrived 3+ hours late 1.9% of the time (earlier flights: 1.5%). 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
Delta Air Lines6:17 p.m.2.5%1.9%1.5%first flight 5:30 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.

If you need to be in ATL tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (94%). Worst: July (75%).

40%70%100%Jan: 82% on time (589 flights)82JanFeb: 90% on time (575 flights)90FebMar: 86% on time (714 flights)86MarApr: 88% on time (692 flights)88AprMay: 84% on time (722 flights)84MayJun: 85% on time (698 flights)85JunJul: 75% on time (711 flights)75JulAug: 85% on time (661 flights)85AugSep: 94% on time (586 flights)94SepOct: 94% on time (617 flights)94OctNov: 91% on time (568 flights)91NovDec: 86% on time (607 flights)86Dec

By day of week

DayFlightsOn timeCancelled
Monday42484%2.1%
Tuesday37484%0.3%
Wednesday37090%0.5%
Thursday41292%0.5%
Friday41585%1.7%
Saturday33880%2.7%
Sunday41380%3.6%

Why flights were late

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

Late inbound plane 42%Airline (crew, maintenance, ops) 30%Severe weather 17%Air traffic & airport (NAS) 11%

Cancellations: airline 26 · weather 17 · air traffic/airport 2

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 97% on time, 0.0% cancelledOct 2023: 96% on time, 0.0% cancelledNov 2023: 94% on time, 0.0% cancelledDec 2023: 92% on time, 0.0% cancelledJan 2024: 79% on time, 3.6% cancelledFeb 2024: 98% on time, 0.0% cancelledMar 2024: 92% on time, 0.0% cancelledApr 2024: 87% on time, 0.0% cancelledMay 2024: 85% on time, 1.0% cancelledJun 2024: 91% on time, 0.0% cancelledJul 2024: 66% on time, 9.1% cancelledAug 2024: 88% on time, 0.0% cancelledSep 2024: 90% on time, 0.0% cancelledOct 2024: 96% on time, 0.0% cancelledNov 2024: 90% on time, 0.0% cancelledDec 2024: 87% on time, 0.9% cancelledJan 2025: 86% on time, 4.9% cancelledFeb 2025: 84% on time, 0.0% cancelledMar 2025: 85% on time, 1.2% cancelledApr 2025: 88% on time, 0.0% cancelledMay 2025: 82% on time, 0.4% cancelledJun 2025: 77% on time, 2.4% cancelledJul 2025: 84% on time, 0.4% cancelledAug 2025: 83% on time, 1.3% cancelledSep 2025: 93% on time, 0.0% cancelledOct 2025: 92% on time, 0.0% cancelledNov 2025: 89% on time, 1.9% cancelledDec 2025: 81% on time, 1.8% cancelledJan 2026: 82% on time, 5.8% cancelledFeb 2026: 88% on time, 2.1% cancelledMar 2026: 82% on time, 2.8% cancelledApr 2026: 89% on time, 2.0% cancelledMay 2026: 85% on time, 0.8% cancelledJun 2026: 88% on time, 1.2% cancelledJul 2026: 72% on time, 1.6% cancelledAug 2026: 84% on time, 0.4% cancelled
Share of flights on time, by month (hover a point for cancellations)
HSV → ATL, monthly on-time and cancellation rate.

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 30097:00 a.m.34989%1.1%−13 minDelta Air Lines
DL 30368:50 a.m.22190%2.7%−19 minDelta Air Lines
DL 17089:50 a.m.22493%0.9%−18 minDelta Air Lines
DL 306812:32 p.m.22088%0.0%−14 minDelta Air Lines
DL 30264:20 p.m.21677%3.7%−16 minDelta Air Lines
DL 21826:17 p.m.26383%1.5%−15 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Mar 16, 202690%3
Apr 28, 202680%0
Mar 7, 202660%1
Dec 7, 2025813%1
Jan 25, 2026714%5

Questions

How often are flights from HSV to ATL on time?

85% of 2,746 scheduled flights from Huntsville, AL to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.6% were cancelled.

What is the best time of day to fly HSV to ATL?

Flights scheduled to leave at 10 a.m. were the most reliable (92% on time). The 4 p.m. departures were the least (77%).

What month has the most delays from HSV to ATL?

July (75% on time). The best month is October (94%), over 2023–2026.

Is the last flight of the day from HSV to ATL more likely to be cancelled?

Yes. Each airline's last HSV–ATL flight of the day was cancelled 2.5% of the time over the past year, against 1.5% 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.