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 delay06:00–07:004.7min · 226 recorded · 214 measured
Gap to highest-delay hour10.9min06:00 ↔ 18:00
Recorded flights1,911LGA–TUL
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
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
15.67.80.0
00:0003:0006:0009:0012:0015:0018:0021:00
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Recorded flightsPartial coverage: only airlines that report on-time data to the US DOT
3831920
00:0003:0006:0009:0012:0015:0018:0021:00
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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
No observations
—
—
—
06:00
92.1%
4.7 min
214
226
07:00
87.1%
9.6 min
380
383
08:00
Fewer than 200 measured departures
—
39
39
09:00
Fewer than 200 measured departures
—
9
9
10:00
Fewer than 200 measured departures
—
22
23
11:00
Fewer than 200 measured departures
—
121
124
12:00
Fewer than 200 measured departures
—
119
127
13:00
Fewer than 200 measured departures
—
12
12
14:00
Fewer than 200 measured departures
—
172
180
15:00
Fewer than 200 measured departures
—
109
121
16:00
Fewer than 200 measured departures
—
3
3
17:00
Fewer than 200 measured departures
—
130
136
18:00
74.2%
15.6 min
260
275
19:00
Fewer than 200 measured departures
—
194
210
20:00
Fewer than 200 measured departures
—
40
43
21:00
No observations
—
—
—
22:00
No observations
—
—
—
23:00
No observations
—
—
—
Day of week
On-time departuresPartial coverage: only airlines that report on-time data to the US DOT
100.050.00.0
MonTueWedThuFriSatSun
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Average departure delayPartial coverage: only airlines that report on-time data to the US DOT
20.510.30.0
MonTueWedThuFriSatSun
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
3041520
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
83.8%
14.8 min
283
304
Tuesday
79.9%
11.6 min
288
303
Wednesday
81.8%
9.0 min
291
300
Thursday
73.3%
16.6 min
285
296
Friday
81.8%
7.7 min
280
291
Saturday
Fewer than 200 measured departures
—
132
134
Sunday
75.1%
20.5 min
265
283
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
24.112.10.0
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
2131070
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
Fewer than 200 measured departures
—
154
166
Feb
Fewer than 200 measured departures
—
143
152
Mar
Fewer than 200 measured departures
—
156
168
Apr
Fewer than 200 measured departures
—
158
158
May
Fewer than 200 measured departures
—
156
160
Jun
Fewer than 200 measured departures
—
165
172
Jul
Fewer than 200 measured departures
—
157
178
Aug
Fewer than 200 measured departures
—
61
62
Sep
Fewer than 200 measured departures
—
91
92
Oct
Fewer than 200 measured departures
—
173
179
Nov
78.8%
10.0 min
203
213
Dec
67.6%
24.1 min
207
211
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 time75.9%1,451
Delayed >15 min19.5%373
Cancelled4.6%87
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.