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 · Dec 19, 2024 → Jul 31, 2026
Lowest average delay07:00–08:0013.9min · 218 recorded · 201 measured
Recorded flights1,074EWR–JAC
Departure hour
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
13.96.90.0
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
2181090
00:0003:0006:0009:0012:0015:0018:0021:00
Hover, tap or focus a point to see its value, sample and source.
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
No observations
—
—
—
06:00
No observations
—
—
—
07:00
75.1%
13.9 min
201
218
08:00
Fewer than 200 measured departures
—
119
125
09:00
Fewer than 200 measured departures
—
73
74
10:00
Fewer than 200 measured departures
—
116
119
11:00
No observations
—
—
—
12:00
Fewer than 200 measured departures
—
17
17
13:00
Fewer than 200 measured departures
—
39
39
14:00
Fewer than 200 measured departures
—
146
154
15:00
No observations
—
—
—
16:00
Fewer than 200 measured departures
—
36
38
17:00
Fewer than 200 measured departures
—
129
137
18:00
Fewer than 200 measured departures
—
142
153
19:00
No observations
—
—
—
20:00
No observations
—
—
—
21:00
No observations
—
—
—
22:00
No observations
—
—
—
23:00
No observations
—
—
—
Day of week
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
172860
MonTueWedThuFriSatSun
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No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.
View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
Fewer than 200 measured departures
—
140
148
Tuesday
Fewer than 200 measured departures
—
138
143
Wednesday
Fewer than 200 measured departures
—
135
139
Thursday
Fewer than 200 measured departures
—
140
148
Friday
Fewer than 200 measured departures
—
152
164
Saturday
Fewer than 200 measured departures
—
165
172
Sunday
Fewer than 200 measured departures
—
148
160
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 departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
16.78.40.0
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
2121060
JanFebMarAprMayJunJulAugSepOctNovDec
Hover, tap or focus a point to see its value, sample and source.
View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
76.4%
16.7 min
203
212
Feb
Fewer than 200 measured departures
—
197
206
Mar
Fewer than 200 measured departures
—
154
155
Apr
Fewer than 200 measured departures
—
14
14
May
Fewer than 200 measured departures
—
42
42
Jun
Fewer than 200 measured departures
—
113
120
Jul
Fewer than 200 measured departures
—
105
124
Aug
Fewer than 200 measured departures
—
59
62
Sep
Fewer than 200 measured departures
—
29
33
Oct
No observations
—
—
—
Nov
No observations
—
—
—
Dec
Fewer than 200 measured departures
—
102
106
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 time68.1%731
Delayed >15 min26.7%287
Cancelled5.2%56
Missing departure time0.0%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 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.