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month
stringdate
2025-08-01 00:00:00
2026-07-01 00:00:00
carrier
stringclasses
14 values
flight_number
int64
1
9.91k
origin
stringclasses
359 values
dest
stringclasses
359 values
flights
int64
1
31
cancelled
int64
0
21
diverted
int64
0
13
on_time
int64
0
31
late_30
int64
0
27
arr_delay_mean
float64
-97
1.68k
⌀
arr_delay_median
float64
-97
1.68k
⌀
2025-08-01
AA
1
JFK
LAX
31
0
0
30
0
-19.5
-21
2025-08-01
AA
10
LAX
JFK
31
0
0
29
0
-17.1
-22
2025-08-01
AA
1,002
MSN
CLT
31
0
0
29
1
-10.5
-13
2025-08-01
AA
1,003
CLT
MCI
31
0
0
17
13
29.5
10
2025-08-01
AA
1,003
MCI
CLT
29
0
0
17
10
18.1
1
2025-08-01
AA
1,004
BOS
DCA
26
1
0
16
7
22.8
5
2025-08-01
AA
1,004
DFW
MYR
1
0
0
1
0
6
6
2025-08-01
AA
1,005
DFW
BDL
21
0
0
15
4
18
-2
2025-08-01
AA
1,007
CLT
PNS
4
0
0
2
2
137.5
81
2025-08-01
AA
1,007
HSV
DFW
26
1
0
20
4
3.5
-4
2025-08-01
AA
1,007
STL
DFW
1
0
0
1
0
-7
-7
2025-08-01
AA
1,008
ATL
DFW
29
1
1
19
6
32.6
6
2025-08-01
AA
1,009
LAX
ORD
7
0
0
5
2
84
-18
2025-08-01
AA
1,010
DFW
STL
30
0
0
16
10
42.8
2
2025-08-01
AA
1,011
DFW
SAN
5
0
0
2
3
50
67
2025-08-01
AA
1,011
SAV
CLT
22
0
0
21
1
17.5
-12.5
2025-08-01
AA
1,012
CLT
LAX
28
0
0
25
2
4.7
-3
2025-08-01
AA
1,014
DFW
TUS
31
0
0
24
6
17.5
-7
2025-08-01
AA
1,014
TUS
DFW
31
1
1
20
8
74
1
2025-08-01
AA
1,015
BTV
DCA
5
1
0
4
0
-2.2
-1
2025-08-01
AA
1,015
DCA
BOS
26
0
0
18
6
8.7
2
2025-08-01
AA
1,017
CLT
ILM
30
0
0
24
4
1.5
-5
2025-08-01
AA
1,018
PHX
DFW
30
0
1
27
2
-5.4
-11
2025-08-01
AA
1,019
SJC
DFW
31
1
1
24
3
50.7
-15
2025-08-01
AA
102
HNL
DFW
26
0
0
22
1
-2.6
-2.5
2025-08-01
AA
1,020
DTW
MIA
31
0
0
29
2
4.3
-6
2025-08-01
AA
1,021
SMF
DFW
31
0
0
26
3
1.2
-6
2025-08-01
AA
1,023
LGA
CLT
31
1
0
28
1
-18
-21
2025-08-01
AA
1,024
LAX
MCO
31
0
1
18
7
16.6
10.5
2025-08-01
AA
1,025
MIA
CHS
26
0
0
22
4
15.7
-9
2025-08-01
AA
1,025
TUS
DFW
5
0
0
3
2
39.6
-5
2025-08-01
AA
1,029
DFW
PIT
15
0
0
10
4
26.2
5
2025-08-01
AA
1,029
MIA
LGA
5
0
0
5
0
-25
-23
2025-08-01
AA
1,031
CLT
LAS
29
0
1
21
5
9
-3.5
2025-08-01
AA
1,032
AUS
CLT
26
1
0
23
0
-14.7
-18
2025-08-01
AA
1,032
CLT
TPA
5
0
0
2
1
20.8
16
2025-08-01
AA
1,033
CLT
IND
29
2
0
13
10
21.3
16
2025-08-01
AA
1,035
ABQ
DFW
31
0
0
21
10
43.5
-6
2025-08-01
AA
1,036
DFW
MCI
31
0
0
12
19
90.9
46
2025-08-01
AA
1,037
ABQ
ORD
1
0
0
1
0
-19
-19
2025-08-01
AA
1,037
BNA
ORD
1
0
0
1
0
-19
-19
2025-08-01
AA
1,037
DCA
MSN
1
0
0
1
0
1
1
2025-08-01
AA
1,037
DCA
MSY
1
0
0
0
0
24
24
2025-08-01
AA
1,037
DFW
SAN
4
0
0
1
3
64.8
54.5
2025-08-01
AA
1,037
LAX
CMH
5
0
0
4
1
24.8
-14
2025-08-01
AA
1,037
MSN
DCA
1
0
0
0
0
30
30
2025-08-01
AA
1,037
ORD
BNA
1
0
0
1
0
-16
-16
2025-08-01
AA
1,038
CLT
ORD
31
0
0
27
1
-7.5
-15
2025-08-01
AA
1,039
CID
CLT
31
0
0
27
3
5.5
-10
2025-08-01
AA
1,040
CHS
DCA
26
0
0
14
10
32.4
12
2025-08-01
AA
1,040
DCA
CHS
4
0
0
1
1
19.3
18
2025-08-01
AA
1,040
DFW
STL
1
0
0
0
1
62
62
2025-08-01
AA
1,041
CLT
AUS
25
0
0
16
7
16
-9
2025-08-01
AA
1,041
VPS
DCA
1
0
0
1
0
-19
-19
2025-08-01
AA
1,042
OMA
CLT
31
0
0
28
2
-6.3
-8
2025-08-01
AA
1,043
DFW
LGA
27
0
0
18
7
15.9
5
2025-08-01
AA
1,043
LGA
DFW
5
0
0
4
1
-0.8
-17
2025-08-01
AA
1,043
MSO
DFW
4
1
0
2
1
8
8
2025-08-01
AA
1,044
CLT
PHX
31
0
0
22
2
1.5
-2
2025-08-01
AA
1,045
MIA
ATL
31
0
0
13
13
41.1
16
2025-08-01
AA
1,046
ATL
MIA
31
1
0
23
4
3.1
-10
2025-08-01
AA
1,046
MIA
ATL
31
1
0
23
3
4.2
-6
2025-08-01
AA
1,047
IAH
MIA
31
1
0
27
1
1.6
-7
2025-08-01
AA
1,048
DFW
BOS
31
0
0
12
15
50.3
29
2025-08-01
AA
1,049
JAC
CLT
30
0
0
18
10
25.8
7
2025-08-01
AA
1,050
ALB
CLT
26
0
0
24
2
32.1
-15
2025-08-01
AA
1,050
IND
CLT
5
1
0
3
0
8.3
6.5
2025-08-01
AA
1,051
LAS
JFK
31
0
0
23
8
32.3
-16
2025-08-01
AA
1,052
CLT
ORD
31
0
0
23
5
11.2
-7
2025-08-01
AA
1,054
MIA
BOS
31
1
0
21
5
4.8
-2
2025-08-01
AA
1,055
SAN
DFW
31
2
0
22
5
18.4
-6
2025-08-01
AA
1,056
DFW
LGA
30
1
0
19
4
6.5
-2
2025-08-01
AA
1,056
LGA
DFW
30
1
0
20
6
0.6
-12
2025-08-01
AA
1,057
BOS
PHX
31
0
0
28
1
-8
-8
2025-08-01
AA
1,058
ROC
CLT
31
0
0
30
1
-5.3
-10
2025-08-01
AA
1,059
CLT
IAD
24
0
0
17
4
21
3.5
2025-08-01
AA
1,059
DFW
EUG
5
0
0
2
3
80.6
110
2025-08-01
AA
1,060
CLT
LGA
31
0
0
19
8
37.2
8
2025-08-01
AA
1,061
DFW
JAX
30
0
0
24
5
9.5
-2
2025-08-01
AA
1,061
JAX
DFW
31
1
0
19
8
32.1
0
2025-08-01
AA
1,062
CLT
DFW
26
2
0
12
6
20.1
13.5
2025-08-01
AA
1,062
DFW
ABQ
5
1
0
2
2
25.5
19.5
2025-08-01
AA
1,063
RIC
CLT
30
1
0
28
1
-10.1
-17
2025-08-01
AA
1,064
AUS
ORD
31
5
0
20
4
21.1
-7
2025-08-01
AA
1,065
BNA
CLT
31
0
0
27
1
-8.8
-13
2025-08-01
AA
1,067
CLT
MIA
31
0
0
25
2
17.9
-1
2025-08-01
AA
1,069
MIA
CLT
31
0
0
18
11
24
13
2025-08-01
AA
1,070
DFW
TPA
31
1
0
20
7
15.3
2
2025-08-01
AA
1,070
TPA
DFW
5
0
0
3
2
12.8
11
2025-08-01
AA
1,071
CLT
PIT
10
0
0
5
5
23.9
11.5
2025-08-01
AA
1,071
CMH
DFW
2
0
0
1
1
49
49
2025-08-01
AA
1,072
CLT
IAD
2
0
0
2
0
-20.5
-20.5
2025-08-01
AA
1,072
CLT
MKE
29
0
1
17
8
19.6
3.5
2025-08-01
AA
1,073
JFK
LAS
31
0
0
28
2
11.7
-23
2025-08-01
AA
1,074
MIA
BOS
31
0
0
16
11
46.3
14
2025-08-01
AA
1,075
LBB
DFW
26
0
0
21
3
21.3
-7
2025-08-01
AA
1,075
SAN
DFW
5
0
0
3
2
39.2
-12
2025-08-01
AA
1,076
DFW
BNA
31
1
0
15
10
34.2
14.5
2025-08-01
AA
1,078
GSO
CLT
30
0
0
29
0
-8.3
-8.5
2025-08-01
AA
1,079
PHX
DFW
31
1
1
20
3
18.3
4
End of preview. Expand in Data Studio

US flight punctuality by flight number

Monthly on-time records for every scheduled domestic flight by the largest US airlines, one row per airline, flight number and route per month, for the last 12 months published by the US Bureau of Transportation Statistics (BTS). Updated every month by TripStow.

Readable versions: every flight, route, airport and airline has its own page at tripstow.com/flights, monthly reports at tripstow.com/blog, quotable figures at tripstow.com/press and the monthly airport league table at tripstow.com/press/airports.

Columns

Column Meaning
month First day of the month (YYYY-MM-DD)
carrier Airline (IATA code as reported to BTS)
flight_number Flight number
origin, dest Airports (IATA codes)
flights Scheduled flights in the month
cancelled, diverted Flights cancelled or diverted
on_time Flights arriving within 15 minutes of schedule (the US DOT definition)
late_30 Flights arriving more than 30 minutes late
arr_delay_mean, arr_delay_median Arrival delay in minutes over flights that operated (negative is early)

The on-time share is on_time / (flights - cancelled - diverted), as in the official reports.

Source and licence

Source: US Department of Transportation, Bureau of Transportation Statistics, Airline On-Time Performance data. US government works are in the public domain; this aggregation is released under CC0. A credit to TripStow (https://tripstow.com) is appreciated but not required.

Files: data/us_ontime_2026_07.csv, data/us_ontime_2026_06.csv, data/us_ontime_2026_05.csv, data/us_ontime_2026_04.csv, data/us_ontime_2026_03.csv, data/us_ontime_2026_02.csv, data/us_ontime_2026_01.csv, data/us_ontime_2025_12.csv, data/us_ontime_2025_11.csv, data/us_ontime_2025_10.csv, data/us_ontime_2025_09.csv, data/us_ontime_2025_08.csv.

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