Countries › United States › Greenville/Greer/Spartanburg › GSP Greenville-Spartanburg (GSP) GSP / KGSP
291,288
Greenville-Spartanburg International Airport handled 291,288 passengers in May 2026, up 3.5% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics .
Full count · domestic + international Flight timing & delays ↓
Passengers over time Showing 53 months. Full series runs 1990–2026 (437 periods).
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Domestic / International May 2026 Domestic 100.0% 291,278 International 0.0% 10 Against 2019 +29.3% same month, before the pandemic
International share 0% of passengers in May 2026
Series depth 36 years from 1990
The most recent periods Open any period for the full breakdown. As published Newest first Oldest first Highest first Lowest first 24 of 24
Period Passengers Year on year Source May 2026 291,288 +3.5% US Bureau of Transportation Statistics Open this month → April 2026 252,164 +3.0% US Bureau of Transportation Statistics Open this month → March 2026 250,782 +5.5% US Bureau of Transportation Statistics Open this month → February 2026 201,302 +4.4% US Bureau of Transportation Statistics Open this month → January 2026 188,245 −2.6% US Bureau of Transportation Statistics Open this month → December 2025 242,039 −0.7% US Bureau of Transportation Statistics Open this month → November 2025 241,456 −0.5% US Bureau of Transportation Statistics Open this month → October 2025 288,323 +10.9% US Bureau of Transportation Statistics Open this month → September 2025 261,011 +11.4% US Bureau of Transportation Statistics Open this month → August 2025 275,732 +6.7% US Bureau of Transportation Statistics Open this month → July 2025 285,730 +4.3% US Bureau of Transportation Statistics Open this month → June 2025 280,769 +6.6% US Bureau of Transportation Statistics Open this month → May 2025 281,316 +6.5% US Bureau of Transportation Statistics Open this month → April 2025 244,763 +7.0% US Bureau of Transportation Statistics Open this month → March 2025 237,799 +12.3% US Bureau of Transportation Statistics Open this month → February 2025 192,901 +5.1% US Bureau of Transportation Statistics Open this month → January 2025 193,212 +9.2% US Bureau of Transportation Statistics Open this month → December 2024 243,806 +17.5% US Bureau of Transportation Statistics Open this month → November 2024 242,683 +7.6% US Bureau of Transportation Statistics Open this month → October 2024 260,004 +8.9% US Bureau of Transportation Statistics Open this month → September 2024 234,255 +6.2% US Bureau of Transportation Statistics Open this month → August 2024 258,310 +13.5% US Bureau of Transportation Statistics July 2024 273,900 +17.4% US Bureau of Transportation Statistics June 2024 263,380 +16.5% US Bureau of Transportation Statistics
Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).
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.
US domestic sectors recorded by BTS Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30
Lowest average delay 05:00–06:00 2.4min · 1,545 recorded · 1,530 measured
Gap to highest-delay hour 20.5min 05:00 ↔ 19:00
Recorded flights 26,729 Greenville-Spartanburg International Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 94.1% · 1,545 recorded · 1,530 measured · Source: BTS · US Department of Transportation 06:00 · 91.5% · 3,663 recorded · 3,586 measured · Source: BTS · US Department of Transportation 07:00 · 89.3% · 3,400 recorded · 3,323 measured · Source: BTS · US Department of Transportation 08:00 · 90.9% · 1,456 recorded · 1,424 measured · Source: BTS · US Department of Transportation 09:00 · 89.1% · 596 recorded · 587 measured · Source: BTS · US Department of Transportation 10:00 · 84.9% · 1,838 recorded · 1,811 measured · Source: BTS · US Department of Transportation 11:00 · 82.5% · 2,012 recorded · 1,991 measured · Source: BTS · US Department of Transportation 12:00 · 82.1% · 1,994 recorded · 1,955 measured · Source: BTS · US Department of Transportation 13:00 · 83.4% · 691 recorded · 687 measured · Source: BTS · US Department of Transportation 14:00 · 81.5% · 880 recorded · 872 measured · Source: BTS · US Department of Transportation 15:00 · 75.9% · 706 recorded · 696 measured · Source: BTS · US Department of Transportation 16:00 · 78.7% · 1,842 recorded · 1,812 measured · Source: BTS · US Department of Transportation 17:00 · 71.7% · 1,802 recorded · 1,731 measured · Source: BTS · US Department of Transportation 18:00 · 71.9% · 1,969 recorded · 1,904 measured · Source: BTS · US Department of Transportation 19:00 · 67.6% · 1,352 recorded · 1,287 measured · Source: BTS · US Department of Transportation 20:00 · 66.7% · 804 recorded · 778 measured · Source: BTS · US Department of Transportation 21:00 · Fewer than 200 measured departures · 109 recorded · 108 measured · Source: BTS · US Department of Transportation 22:00 · Fewer than 200 measured departures · 70 recorded · 69 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Average departure delay 22.9 11.4 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 2.4 min · 1,545 recorded · 1,530 measured · Source: BTS · US Department of Transportation 06:00 · 5.1 min · 3,663 recorded · 3,586 measured · Source: BTS · US Department of Transportation 07:00 · 7.9 min · 3,400 recorded · 3,323 measured · Source: BTS · US Department of Transportation 08:00 · 4.6 min · 1,456 recorded · 1,424 measured · Source: BTS · US Department of Transportation 09:00 · 5.7 min · 596 recorded · 587 measured · Source: BTS · US Department of Transportation 10:00 · 7.4 min · 1,838 recorded · 1,811 measured · Source: BTS · US Department of Transportation 11:00 · 9.7 min · 2,012 recorded · 1,991 measured · Source: BTS · US Department of Transportation 12:00 · 8.9 min · 1,994 recorded · 1,955 measured · Source: BTS · US Department of Transportation 13:00 · 6.9 min · 691 recorded · 687 measured · Source: BTS · US Department of Transportation 14:00 · 11.0 min · 880 recorded · 872 measured · Source: BTS · US Department of Transportation 15:00 · 13.6 min · 706 recorded · 696 measured · Source: BTS · US Department of Transportation 16:00 · 12.1 min · 1,842 recorded · 1,812 measured · Source: BTS · US Department of Transportation 17:00 · 21.1 min · 1,802 recorded · 1,731 measured · Source: BTS · US Department of Transportation 18:00 · 20.1 min · 1,969 recorded · 1,904 measured · Source: BTS · US Department of Transportation 19:00 · 22.9 min · 1,352 recorded · 1,287 measured · Source: BTS · US Department of Transportation 20:00 · 20.0 min · 804 recorded · 778 measured · Source: BTS · US Department of Transportation 21:00 · Fewer than 200 measured departures · 109 recorded · 108 measured · Source: BTS · US Department of Transportation 22:00 · Fewer than 200 measured departures · 70 recorded · 69 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Recorded flights 3,663 1,832 0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · 1,545 · 1,545 recorded · 1,530 measured · Source: BTS · US Department of Transportation 06:00 · 3,663 · 3,663 recorded · 3,586 measured · Source: BTS · US Department of Transportation 07:00 · 3,400 · 3,400 recorded · 3,323 measured · Source: BTS · US Department of Transportation 08:00 · 1,456 · 1,456 recorded · 1,424 measured · Source: BTS · US Department of Transportation 09:00 · 596 · 596 recorded · 587 measured · Source: BTS · US Department of Transportation 10:00 · 1,838 · 1,838 recorded · 1,811 measured · Source: BTS · US Department of Transportation 11:00 · 2,012 · 2,012 recorded · 1,991 measured · Source: BTS · US Department of Transportation 12:00 · 1,994 · 1,994 recorded · 1,955 measured · Source: BTS · US Department of Transportation 13:00 · 691 · 691 recorded · 687 measured · Source: BTS · US Department of Transportation 14:00 · 880 · 880 recorded · 872 measured · Source: BTS · US Department of Transportation 15:00 · 706 · 706 recorded · 696 measured · Source: BTS · US Department of Transportation 16:00 · 1,842 · 1,842 recorded · 1,812 measured · Source: BTS · US Department of Transportation 17:00 · 1,802 · 1,802 recorded · 1,731 measured · Source: BTS · US Department of Transportation 18:00 · 1,969 · 1,969 recorded · 1,904 measured · Source: BTS · US Department of Transportation 19:00 · 1,352 · 1,352 recorded · 1,287 measured · Source: BTS · US Department of Transportation 20:00 · 804 · 804 recorded · 778 measured · Source: BTS · US Department of Transportation 21:00 · 109 · 109 recorded · 108 measured · Source: BTS · US Department of Transportation 22:00 · 70 · 70 recorded · 69 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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View the figures Departure hour On-time departures Average departure delay With departure time Recorded flights 00:00 No observations — — — 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 94.1% 2.4 min 1,530 1,545 06:00 91.5% 5.1 min 3,586 3,663 07:00 89.3% 7.9 min 3,323 3,400 08:00 90.9% 4.6 min 1,424 1,456 09:00 89.1% 5.7 min 587 596 10:00 84.9% 7.4 min 1,811 1,838 11:00 82.5% 9.7 min 1,991 2,012 12:00 82.1% 8.9 min 1,955 1,994 13:00 83.4% 6.9 min 687 691 14:00 81.5% 11.0 min 872 880 15:00 75.9% 13.6 min 696 706 16:00 78.7% 12.1 min 1,812 1,842 17:00 71.7% 21.1 min 1,731 1,802 18:00 71.9% 20.1 min 1,904 1,969 19:00 67.6% 22.9 min 1,287 1,352 20:00 66.7% 20.0 min 778 804 21:00 Fewer than 200 measured departures — 108 109 22:00 Fewer than 200 measured departures — 69 70 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 80.3% · 4,074 recorded · 3,973 measured · Source: BTS · US Department of Transportation Tuesday · 84.7% · 3,672 recorded · 3,610 measured · Source: BTS · US Department of Transportation Wednesday · 85.0% · 3,672 recorded · 3,621 measured · Source: BTS · US Department of Transportation Thursday · 82.9% · 4,005 recorded · 3,955 measured · Source: BTS · US Department of Transportation Friday · 82.3% · 3,976 recorded · 3,878 measured · Source: BTS · US Department of Transportation Saturday · 83.7% · 3,259 recorded · 3,181 measured · Source: BTS · US Department of Transportation Sunday · 80.1% · 4,071 recorded · 3,933 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 13.7 6.8 0.0
Monday · 13.7 min · 4,074 recorded · 3,973 measured · Source: BTS · US Department of Transportation Tuesday · 8.3 min · 3,672 recorded · 3,610 measured · Source: BTS · US Department of Transportation Wednesday · 9.4 min · 3,672 recorded · 3,621 measured · Source: BTS · US Department of Transportation Thursday · 10.5 min · 4,005 recorded · 3,955 measured · Source: BTS · US Department of Transportation Friday · 11.5 min · 3,976 recorded · 3,878 measured · Source: BTS · US Department of Transportation Saturday · 9.3 min · 3,259 recorded · 3,181 measured · Source: BTS · US Department of Transportation Sunday · 12.8 min · 4,071 recorded · 3,933 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 4,074 2,037 0
Monday · 4,074 · 4,074 recorded · 3,973 measured · Source: BTS · US Department of Transportation Tuesday · 3,672 · 3,672 recorded · 3,610 measured · Source: BTS · US Department of Transportation Wednesday · 3,672 · 3,672 recorded · 3,621 measured · Source: BTS · US Department of Transportation Thursday · 4,005 · 4,005 recorded · 3,955 measured · Source: BTS · US Department of Transportation Friday · 3,976 · 3,976 recorded · 3,878 measured · Source: BTS · US Department of Transportation Saturday · 3,259 · 3,259 recorded · 3,181 measured · Source: BTS · US Department of Transportation Sunday · 4,071 · 4,071 recorded · 3,933 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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View the figures Day of week On-time departures Average departure delay With departure time Recorded flights Monday 80.3% 13.7 min 3,973 4,074 Tuesday 84.7% 8.3 min 3,610 3,672 Wednesday 85.0% 9.4 min 3,621 3,672 Thursday 82.9% 10.5 min 3,955 4,005 Friday 82.3% 11.5 min 3,878 3,976 Saturday 83.7% 9.3 min 3,181 3,259 Sunday 80.1% 12.8 min 3,933 4,071
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 100.0 50.0 0.0
Jan · 84.2% · 2,207 recorded · 2,058 measured · Source: BTS · US Department of Transportation Feb · 83.4% · 2,114 recorded · 2,055 measured · Source: BTS · US Department of Transportation Mar · 80.7% · 2,416 recorded · 2,351 measured · Source: BTS · US Department of Transportation Apr · 86.7% · 2,264 recorded · 2,240 measured · Source: BTS · US Department of Transportation May · 80.8% · 2,567 recorded · 2,534 measured · Source: BTS · US Department of Transportation Jun · 74.5% · 2,477 recorded · 2,409 measured · Source: BTS · US Department of Transportation Jul · 72.3% · 1,316 recorded · 1,272 measured · Source: BTS · US Department of Transportation Aug · 83.4% · 1,214 recorded · 1,195 measured · Source: BTS · US Department of Transportation Sep · 87.9% · 2,506 recorded · 2,477 measured · Source: BTS · US Department of Transportation Oct · 87.0% · 2,664 recorded · 2,658 measured · Source: BTS · US Department of Transportation Nov · 87.5% · 2,489 recorded · 2,441 measured · Source: BTS · US Department of Transportation Dec · 79.0% · 2,495 recorded · 2,461 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Average departure delay 20.7 10.4 0.0
Jan · 9.1 min · 2,207 recorded · 2,058 measured · Source: BTS · US Department of Transportation Feb · 12.8 min · 2,114 recorded · 2,055 measured · Source: BTS · US Department of Transportation Mar · 14.4 min · 2,416 recorded · 2,351 measured · Source: BTS · US Department of Transportation Apr · 7.0 min · 2,264 recorded · 2,240 measured · Source: BTS · US Department of Transportation May · 11.0 min · 2,567 recorded · 2,534 measured · Source: BTS · US Department of Transportation Jun · 19.8 min · 2,477 recorded · 2,409 measured · Source: BTS · US Department of Transportation Jul · 20.7 min · 1,316 recorded · 1,272 measured · Source: BTS · US Department of Transportation Aug · 9.6 min · 1,214 recorded · 1,195 measured · Source: BTS · US Department of Transportation Sep · 5.9 min · 2,506 recorded · 2,477 measured · Source: BTS · US Department of Transportation Oct · 5.0 min · 2,664 recorded · 2,658 measured · Source: BTS · US Department of Transportation Nov · 5.9 min · 2,489 recorded · 2,441 measured · Source: BTS · US Department of Transportation Dec · 14.1 min · 2,495 recorded · 2,461 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Recorded flights 2,664 1,332 0
Jan · 2,207 · 2,207 recorded · 2,058 measured · Source: BTS · US Department of Transportation Feb · 2,114 · 2,114 recorded · 2,055 measured · Source: BTS · US Department of Transportation Mar · 2,416 · 2,416 recorded · 2,351 measured · Source: BTS · US Department of Transportation Apr · 2,264 · 2,264 recorded · 2,240 measured · Source: BTS · US Department of Transportation May · 2,567 · 2,567 recorded · 2,534 measured · Source: BTS · US Department of Transportation Jun · 2,477 · 2,477 recorded · 2,409 measured · Source: BTS · US Department of Transportation Jul · 1,316 · 1,316 recorded · 1,272 measured · Source: BTS · US Department of Transportation Aug · 1,214 · 1,214 recorded · 1,195 measured · Source: BTS · US Department of Transportation Sep · 2,506 · 2,506 recorded · 2,477 measured · Source: BTS · US Department of Transportation Oct · 2,664 · 2,664 recorded · 2,658 measured · Source: BTS · US Department of Transportation Nov · 2,489 · 2,489 recorded · 2,441 measured · Source: BTS · US Department of Transportation Dec · 2,495 · 2,495 recorded · 2,461 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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View the figures Month of year On-time departures Average departure delay With departure time Recorded flights Jan 84.2% 9.1 min 2,058 2,207 Feb 83.4% 12.8 min 2,055 2,114 Mar 80.7% 14.4 min 2,351 2,416 Apr 86.7% 7.0 min 2,240 2,264 May 80.8% 11.0 min 2,534 2,567 Jun 74.5% 19.8 min 2,409 2,477 Jul 72.3% 20.7 min 1,272 1,316 Aug 83.4% 9.6 min 1,195 1,214 Sep 87.9% 5.9 min 2,477 2,506 Oct 87.0% 5.0 min 2,658 2,664 Nov 87.5% 5.9 min 2,441 2,489 Dec 79.0% 14.1 min 2,461 2,495
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 80.9% 21,611 Delayed >15 min 17.0% 4,540 Cancelled 2.2% 578 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 punctuality and average delay.
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