Route reliability record
HPN→ATL
White Plains to Atlanta
- Flights
- 717
- Period
- September 2025 to August 2026
- Distance
- 781 mi
- Carriers
- 1
This route lands a B−, 3 points better than the national rate of 77.3%. About one flight in five arrives 15 minutes late or worse, and those flights are late by an hour and a half on average. That rests on 717 HPN to ATL flights, with a median arrival 9 minutes early.
The US average over the same twelve months is 77.3%, so there is little to separate this route from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
80.1%
Arrivals under 15 minutes late, of 689 completed flights
Avg delay
93 min
Across delayed arrivals only, not all flights
Cancelled
3.21%
National rate is 1.89%
Best carrier
Delta
80.1% on time across 717 flights
These figures cover 717 flights between September 2025 and August 2026. The median arrival is 9 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Fare search by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Carrier by carrier
Which airline is most reliable on HPN to ATL
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 717 | 80.1% | 93 min | 3.21% | B− |
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Best ways to make this trip
The most reliable ways to fly White Plains to Atlanta
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 4 of the top 5 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. JFK → ATLNew York to Atlanta | Delta Air Lines | 80.0% | 81.4% | 1.67% | 5am–8am, Wed | DL 2286 06:00 |
| 2. HPN → ATLWhite Plains to Atlanta | Delta Air Lines | 77.5% | 80.1% | 3.21% | 5am–8am, Fri | — |
| 3. LGA → ATLNew York to Atlanta | Delta Air Lines | 76.3% | 79.1% | 3.55% | 5am–8am, Wed | DL 342 06:59 |
| 4. EWR → ATLNewark to Atlanta | Delta Air Lines | 76.2% | 79.3% | 3.95% | 5am–8am, Wed | DL 1673 07:05 |
| 5. EWR → ATLNewark to Atlanta | United Airlines | 74.0% | 76.0% | 2.67% | 5am–8am, Wed | UA 1287 21:10 |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 16 points, against half a point between the best and worst carrier.
- 5am–8am359 flights88.3%
- 8am–11am—
- 11am–2pm358 flights72.0%
- 2pm–5pm—
- 5pm–8pm—
- 8pm–5am—
Scale runs 65% to 95%. Rows with fewer than 30 flights show a dash.
The weak window here is the middle of the day, not the evening: 11am–2pm runs 72.0% on time against 88.3% for 5am–8am. That shape usually means a departure bank rather than an accumulating delay, so the recovery later in the afternoon is real rather than noise. The 5am–8am window is the busiest, with 359 flights scheduled in it.
Explore
Filter HPN to ATL by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On HPN to ATL, the best departure window is 5am–8am at 88.3% on time and the worst is 11am–2pm at 72.0%, a wide gap of 16.3 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am88.3%
- 8–11am—
- 11am–2pm72.0%
- 2–5pm—
- 5–8pm—
- 8pm–5am—
best all US flightsScale 60% to 95%. Cells under 30 flights show a dash.
Across the year
When delays peak on this route
This route's year swings by 19 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
August is the worst month at 70.0% on time, 19 points below March, the best at 89.3%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. January was the busiest month here, with 62 flights.
Across the week, Friday is the strongest day at 91.2% on time and Sunday the weakest at 70.4%, a spread of 21 points.
Delay causes
Why this route gets delayed
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 13,000 reported delay minutes.
- 41%Carrier
- 29%Late-arriving aircraft
- 20%National Airspace System
- 10%Extreme weather
- 0%Security
The largest share of delay minutes, 41%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 5,201 of the 13,000 delay minutes reported here. The split is drawn from 12,778 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 88.3% on time here.
Cancellations run at 3.21%, against 1.89% nationally. That is about one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here actually costs
7.4% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last an hour and a half, which a normal layover absorbs.
The 781 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The return leg runs 77.6% on time across 717 flights, within 3 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
One caution: this is a thin sample. 717 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
Work out the risk of missing a connection in ATL after this flight
What to do with this
Booking this route
Put together: the delay figures matter less here than the 3.21% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 689 completed flights over 12 months sit behind that.
Common questions
HPN to ATL questions
How often is HPN to ATL delayed?
About one flight in five arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 19.9% of the 717 flights in this analysis, against 22.7% nationally. Delayed flights are late by an hour and a half on average.
How reliable is HPN to ATL compared with the rest of the country?
80.1% of flights arrive on time here against a national 77.3%, a difference of 3 points in its favour. That is worth a B− on this site's grading scale.
What time of day has the fewest delays on HPN to ATL?
The 5am–8am departure window is the strongest at 88.3% on time. The 11am–2pm window is the weakest at 72.0%, 16 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are August delays on HPN to ATL?
August is the weakest month at 70.0% on time, compared with 89.3% in March. Across the year that is 19 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- ATL to HPN — the return legseparate record
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- HPN to PBI, a related route72.9%
- LGA to ATL, a related route75.5%
- HPN to ORD, a related route78.1%
- Delta Air Lines on-time record80.1%
- The US routes with the most cancellations
- The best time of day to fly, according to 7.05 million flight records
Direction matters. HPN to ATL and ATL to HPN are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
Embed HPN to ATL’s on-time badge on your site
Paste this into a web page. The badge shows the current on-time rate, cancellation rate and grade, and updates every month. Preview it, or build a badge for another route or airport.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.