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 delay07:00–08:00-0.2min · 381 recorded · 377 measured
Gap to highest-delay hour28.1min07:00 ↔ 20:00
Recorded flights4,068ALB–MCO
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
27.913.9-0.2
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
4982490
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
Fewer than 200 measured departures
—
117
117
06:00
93.7%
1.9 min
492
498
07:00
94.4%
-0.2 min
377
381
08:00
92.1%
1.5 min
419
421
09:00
85.5%
7.8 min
268
270
10:00
Fewer than 200 measured departures
—
98
98
11:00
Fewer than 200 measured departures
—
119
119
12:00
Fewer than 200 measured departures
—
164
164
13:00
77.6%
15.2 min
246
247
14:00
Fewer than 200 measured departures
—
144
144
15:00
Fewer than 200 measured departures
—
106
106
16:00
70.8%
16.6 min
288
292
17:00
63.1%
21.4 min
341
342
18:00
Fewer than 200 measured departures
—
118
119
19:00
65.5%
27.0 min
278
282
20:00
58.3%
27.9 min
393
399
21:00
Fewer than 200 measured departures
—
58
60
22:00
Fewer than 200 measured departures
—
9
9
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
19.99.90.0
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
7233620
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
78.5%
15.2 min
544
552
Tuesday
81.2%
8.8 min
501
506
Wednesday
83.7%
5.2 min
508
508
Thursday
81.2%
9.6 min
557
558
Friday
78.1%
14.1 min
579
581
Saturday
72.5%
14.2 min
719
723
Sunday
72.4%
19.9 min
627
640
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
24.012.00.0
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
4612310
JanFebMarAprMayJunJulAugSepOctNovDec
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View the figures
Month of year
On-time departures
Average departure delay
With departure time
Recorded flights
Jan
81.2%
6.9 min
404
414
Feb
73.5%
13.3 min
445
456
Mar
72.8%
18.2 min
423
428
Apr
82.9%
8.2 min
461
461
May
76.0%
14.1 min
388
388
Jun
77.7%
11.1 min
283
284
Jul
71.2%
21.3 min
285
288
Aug
Fewer than 200 measured departures
—
186
186
Sep
Fewer than 200 measured departures
—
125
125
Oct
88.2%
3.9 min
254
255
Nov
85.3%
7.3 min
401
401
Dec
68.2%
24.0 min
380
382
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 time77.1%3,138
Delayed >15 min22.1%897
Cancelled0.8%33
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.