2,491 km · International

Hartsfield Jackson Atlanta (ATL) – Luis Munoz Marin (SJU)

In July 2026, 350 flights operated between Hartsfield Jackson Atlanta and Luis Munoz Marin (both directions), and 77.4% left on time, according to the US BTS.

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January366369▲ 0.8%
February315356▲ 13.0%
March438445▲ 1.6%
April400402▲ 0.5%
May399369▼ 7.5%
June400349▼ 12.8%
July413350▼ 15.3%
August309––
September256––
October266–in progress
November292––
December374––
Year to date (Jan–Jul)2,7312,640▼ 3.3%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January80.3%75.1%▼ 6.5%
February81.9%75.6%▼ 7.7%
March82.9%68.5%▼ 17.4%
April85.5%76.4%▼ 10.6%
May79.2%85.9%▲ 8.5%
June75.5%84.0%▲ 11.3%
July78.7%77.4%▼ 1.7%
August76.4%––
September81.3%––
October79.3%–in progress
November82.9%––
December77.8%––
Year-to-date average (Jan–Jul)80.6%77.6%▼ 3.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January1519▲ 26.7%
February00–
March214▲ 600.0%
April00–
May220.0%
June40▼ 100.0%
July23▲ 50.0%
August2––
September0––
October0–in progress
November5––
December12––
Year to date (Jan–Jul)2538▲ 52.0%

Airlines on this route

  1. Delta Air Lines 77.4%
  2. Frontier Airlines 14.7%
  3. Spirit Airlines 7.9%

Oct 1, 2024 – Jul 31, 2026

By direction

ATL → SJU

Scheduled flights
3,904
Flights operated
3,864
Cancelled
40 · 1.0%
On-time departures
75.1%

SJU → ATL

Scheduled flights
3,897
Flights operated
3,851
Cancelled
46 · 1.2%
On-time departures
83.7%

ATL → SJU and SJU → ATL counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Delta Air Lines DL 6,041 77.4% 84.3% 46
Frontier Airlines F9 1,147 14.7% 57.8% 25
Spirit Airlines NK 613 7.9% 70.4% 15

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay06:00–07:000.5min · 515 recorded · 508 measured
Gap to highest-delay hour27.0min06:00 ↔ 19:00
Recorded flights7,801ATL–SJU

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 02:00 · Fewer than 200 measured departures · 21 recorded · 19 measured · Source: the US BTS 03:00 · Fewer than 200 measured departures · 8 recorded · 8 measured · Source: the US BTS 04:00 · Fewer than 200 measured departures · 11 recorded · 11 measured · Source: the US BTS 05:00 · Fewer than 200 measured departures · 6 recorded · 6 measured · Source: the US BTS 06:00 · 93.1% · 515 recorded · 508 measured · Source: the US BTS 07:00 · 92.7% · 744 recorded · 736 measured · Source: the US BTS 08:00 · 90.1% · 728 recorded · 724 measured · Source: the US BTS 09:00 · 84.2% · 387 recorded · 385 measured · Source: the US BTS 10:00 · 65.9% · 726 recorded · 716 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 142 recorded · 141 measured · Source: the US BTS 12:00 · 85.6% · 646 recorded · 640 measured · Source: the US BTS 13:00 · 85.9% · 674 recorded · 668 measured · Source: the US BTS 14:00 · 82.0% · 541 recorded · 538 measured · Source: the US BTS 15:00 · 65.1% · 440 recorded · 433 measured · Source: the US BTS 16:00 · 64.3% · 640 recorded · 631 measured · Source: the US BTS 17:00 · 80.6% · 516 recorded · 511 measured · Source: the US BTS 18:00 · 76.9% · 619 recorded · 609 measured · Source: the US BTS 19:00 · 60.9% · 311 recorded · 307 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 58 recorded · 57 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 53 recorded · 52 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · Fewer than 200 measured departures · 13 recorded · 13 measured · Source: the US BTS 02:00 · Fewer than 200 measured departures · 21 recorded · 19 measured · Source: the US BTS 03:00 · Fewer than 200 measured departures · 8 recorded · 8 measured · Source: the US BTS 04:00 · Fewer than 200 measured departures · 11 recorded · 11 measured · Source: the US BTS 05:00 · Fewer than 200 measured departures · 6 recorded · 6 measured · Source: the US BTS 06:00 · 0.5 min · 515 recorded · 508 measured · Source: the US BTS 07:00 · 6.9 min · 744 recorded · 736 measured · Source: the US BTS 08:00 · 3.5 min · 728 recorded · 724 measured · Source: the US BTS 09:00 · 5.8 min · 387 recorded · 385 measured · Source: the US BTS 10:00 · 24.2 min · 726 recorded · 716 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 142 recorded · 141 measured · Source: the US BTS 12:00 · 8.3 min · 646 recorded · 640 measured · Source: the US BTS 13:00 · 5.7 min · 674 recorded · 668 measured · Source: the US BTS 14:00 · 8.7 min · 541 recorded · 538 measured · Source: the US BTS 15:00 · 24.2 min · 440 recorded · 433 measured · Source: the US BTS 16:00 · 26.2 min · 640 recorded · 631 measured · Source: the US BTS 17:00 · 9.7 min · 516 recorded · 511 measured · Source: the US BTS 18:00 · 15.3 min · 619 recorded · 609 measured · Source: the US BTS 19:00 · 27.5 min · 311 recorded · 307 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 58 recorded · 57 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 53 recorded · 52 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · 13 · 13 recorded · 13 measured · Source: the US BTS 02:00 · 21 · 21 recorded · 19 measured · Source: the US BTS 03:00 · 8 · 8 recorded · 8 measured · Source: the US BTS 04:00 · 11 · 11 recorded · 11 measured · Source: the US BTS 05:00 · 6 · 6 recorded · 6 measured · Source: the US BTS 06:00 · 515 · 515 recorded · 508 measured · Source: the US BTS 07:00 · 744 · 744 recorded · 736 measured · Source: the US BTS 08:00 · 728 · 728 recorded · 724 measured · Source: the US BTS 09:00 · 387 · 387 recorded · 385 measured · Source: the US BTS 10:00 · 726 · 726 recorded · 716 measured · Source: the US BTS 11:00 · 142 · 142 recorded · 141 measured · Source: the US BTS 12:00 · 646 · 646 recorded · 640 measured · Source: the US BTS 13:00 · 674 · 674 recorded · 668 measured · Source: the US BTS 14:00 · 541 · 541 recorded · 538 measured · Source: the US BTS 15:00 · 440 · 440 recorded · 433 measured · Source: the US BTS 16:00 · 640 · 640 recorded · 631 measured · Source: the US BTS 17:00 · 516 · 516 recorded · 511 measured · Source: the US BTS 18:00 · 619 · 619 recorded · 609 measured · Source: the US BTS 19:00 · 311 · 311 recorded · 307 measured · Source: the US BTS 20:00 · 58 · 58 recorded · 57 measured · Source: the US BTS 21:00 · 53 · 53 recorded · 52 measured · Source: the US BTS 22:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00Fewer than 200 measured departures—1313
02:00Fewer than 200 measured departures—1921
03:00Fewer than 200 measured departures—88
04:00Fewer than 200 measured departures—1111
05:00Fewer than 200 measured departures—66
06:0093.1%0.5 min508515
07:0092.7%6.9 min736744
08:0090.1%3.5 min724728
09:0084.2%5.8 min385387
10:0065.9%24.2 min716726
11:00Fewer than 200 measured departures—141142
12:0085.6%8.3 min640646
13:0085.9%5.7 min668674
14:0082.0%8.7 min538541
15:0065.1%24.2 min433440
16:0064.3%26.2 min631640
17:0080.6%9.7 min511516
18:0076.9%15.3 min609619
19:0060.9%27.5 min307311
20:00Fewer than 200 measured departures—5758
21:00Fewer than 200 measured departures—5253
22:00Fewer than 200 measured departures—22
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 76.1% · 1,126 recorded · 1,116 measured · Source: the US BTS Tuesday · 83.9% · 991 recorded · 987 measured · Source: the US BTS Wednesday · 85.4% · 984 recorded · 983 measured · Source: the US BTS Thursday · 80.6% · 1,145 recorded · 1,141 measured · Source: the US BTS Friday · 80.9% · 1,177 recorded · 1,165 measured · Source: the US BTS Saturday · 76.2% · 1,217 recorded · 1,175 measured · Source: the US BTS Sunday · 74.2% · 1,161 recorded · 1,148 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 15.1 min · 1,126 recorded · 1,116 measured · Source: the US BTS Tuesday · 8.5 min · 991 recorded · 987 measured · Source: the US BTS Wednesday · 7.0 min · 984 recorded · 983 measured · Source: the US BTS Thursday · 11.7 min · 1,145 recorded · 1,141 measured · Source: the US BTS Friday · 12.8 min · 1,177 recorded · 1,165 measured · Source: the US BTS Saturday · 15.6 min · 1,217 recorded · 1,175 measured · Source: the US BTS Sunday · 18.6 min · 1,161 recorded · 1,148 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 1,126 · 1,126 recorded · 1,116 measured · Source: the US BTS Tuesday · 991 · 991 recorded · 987 measured · Source: the US BTS Wednesday · 984 · 984 recorded · 983 measured · Source: the US BTS Thursday · 1,145 · 1,145 recorded · 1,141 measured · Source: the US BTS Friday · 1,177 · 1,177 recorded · 1,165 measured · Source: the US BTS Saturday · 1,217 · 1,217 recorded · 1,175 measured · Source: the US BTS Sunday · 1,161 · 1,161 recorded · 1,148 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday76.1%15.1 min1,1161,126
Tuesday83.9%8.5 min987991
Wednesday85.4%7.0 min983984
Thursday80.6%11.7 min1,1411,145
Friday80.9%12.8 min1,1651,177
Saturday76.2%15.6 min1,1751,217
Sunday74.2%18.6 min1,1481,161

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 77.7% · 769 recorded · 735 measured · Source: the US BTS Feb · 78.5% · 671 recorded · 671 measured · Source: the US BTS Mar · 75.7% · 899 recorded · 883 measured · Source: the US BTS Apr · 80.9% · 802 recorded · 802 measured · Source: the US BTS May · 82.4% · 772 recorded · 768 measured · Source: the US BTS Jun · 79.4% · 753 recorded · 749 measured · Source: the US BTS Jul · 78.1% · 768 recorded · 763 measured · Source: the US BTS Aug · 76.4% · 311 recorded · 309 measured · Source: the US BTS Sep · 81.3% · 256 recorded · 256 measured · Source: the US BTS Oct · 83.0% · 436 recorded · 436 measured · Source: the US BTS Nov · 82.8% · 569 recorded · 563 measured · Source: the US BTS Dec · 78.7% · 795 recorded · 780 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 19.5 min · 769 recorded · 735 measured · Source: the US BTS Feb · 13.2 min · 671 recorded · 671 measured · Source: the US BTS Mar · 16.3 min · 899 recorded · 883 measured · Source: the US BTS Apr · 9.4 min · 802 recorded · 802 measured · Source: the US BTS May · 8.9 min · 772 recorded · 768 measured · Source: the US BTS Jun · 11.2 min · 753 recorded · 749 measured · Source: the US BTS Jul · 14.2 min · 768 recorded · 763 measured · Source: the US BTS Aug · 13.1 min · 311 recorded · 309 measured · Source: the US BTS Sep · 10.8 min · 256 recorded · 256 measured · Source: the US BTS Oct · 8.6 min · 436 recorded · 436 measured · Source: the US BTS Nov · 12.4 min · 569 recorded · 563 measured · Source: the US BTS Dec · 14.6 min · 795 recorded · 780 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 769 · 769 recorded · 735 measured · Source: the US BTS Feb · 671 · 671 recorded · 671 measured · Source: the US BTS Mar · 899 · 899 recorded · 883 measured · Source: the US BTS Apr · 802 · 802 recorded · 802 measured · Source: the US BTS May · 772 · 772 recorded · 768 measured · Source: the US BTS Jun · 753 · 753 recorded · 749 measured · Source: the US BTS Jul · 768 · 768 recorded · 763 measured · Source: the US BTS Aug · 311 · 311 recorded · 309 measured · Source: the US BTS Sep · 256 · 256 recorded · 256 measured · Source: the US BTS Oct · 436 · 436 recorded · 436 measured · Source: the US BTS Nov · 569 · 569 recorded · 563 measured · Source: the US BTS Dec · 795 · 795 recorded · 780 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan77.7%19.5 min735769
Feb78.5%13.2 min671671
Mar75.7%16.3 min883899
Apr80.9%9.4 min802802
May82.4%8.9 min768772
Jun79.4%11.2 min749753
Jul78.1%14.2 min763768
Aug76.4%13.1 min309311
Sep81.3%10.8 min256256
Oct83.0%8.6 min436436
Nov82.8%12.4 min563569
Dec78.7%14.6 min780795

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 78.5% 6,125
  • Delayed >15 min 20.4% 1,590
  • Cancelled 1.1% 86
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

30
30 of 30
Flight numbersBy direction DeparturesOn time
DL1882 SJU → ATL 658 80.1%
DL1882 ATL → SJU 658 85.6%
DL1946 SJU → ATL 657 85.6%
DL1946 ATL → SJU 657 86.5%
DL1763 SJU → ATL 654 94.9%
DL1861 ATL → SJU 640 67.1%
F992082 ATL → SJU 503 50.8%
DL1757 ATL → SJU 444 89.3%
F992871 SJU → ATL 426 61.7%
DL1757 SJU → ATL 406 89.1%
DL1791 ATL → SJU 390 69.2%
DL1879 SJU → ATL 376 94.4%
F992081 SJU → ATL 127 72.6%
DL573 ATL → SJU 116 92.2%
DL573 SJU → ATL 116 79.1%
NK843 ATL → SJU 64 49.2%
NK202 ATL → SJU 63 90.5%
NK203 SJU → ATL 63 85.7%
NK2404 ATL → SJU 63 84.1%
NK2405 SJU → ATL 63 87.3%
NK3830 ATL → SJU 62 25.9%
NK3831 SJU → ATL 62 51.7%
NK838 SJU → ATL 51 81.6%
F992872 ATL → SJU 45 41.9%
DL1784 SJU → ATL 44 84.1%
DL1840 SJU → ATL 40 92.5%
DL1840 ATL → SJU 40 87.5%
NK1389 ATL → SJU 35 71.4%
NK1390 SJU → ATL 35 68.6%
DL1930 SJU → ATL 32 87.5%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 350 −15.3% 3 77.4%
June 2026 349 −12.7% 0 84.0%
May 2026 369 −7.5% 2 85.9%
April 2026 402 +0.5% 0 76.4%
March 2026 445 +1.6% 14 68.5%
February 2026 356 +13.0% 0 75.6%
January 2026 369 +0.8% 19 75.1%
December 2025 374 −7.9% 12 77.8%
November 2025 292 +7.7% 5 82.9%
October 2025 266 +56.5% 0 79.3%
September 2025 256 0 81.3%
August 2025 309 2 76.4%
July 2025 413 2 78.7%
June 2025 400 4 75.5%
May 2025 399 2 79.2%
April 2025 400 0 85.5%
March 2025 438 2 82.9%
February 2025 315 0 81.9%
January 2025 366 15 80.3%
December 2024 406 3 79.6%
November 2024 271 1 82.7%
October 2024 170 0 88.8%

How to read this chart

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