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 delay08:00–09:002.9min · 429 recorded · 429 measured
Gap to highest-delay hour30.3min08:00 ↔ 18:00
Recorded flights4,481PHX–TPA
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
33.216.60.0
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
6563280
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
—
100
100
06:00
94.8%
3.3 min
229
229
07:00
90.2%
8.2 min
654
656
08:00
89.0%
2.9 min
429
429
09:00
80.8%
9.4 min
344
345
10:00
75.2%
21.1 min
326
327
11:00
Fewer than 200 measured departures
—
93
94
12:00
Fewer than 200 measured departures
—
95
95
13:00
Fewer than 200 measured departures
—
82
82
14:00
Fewer than 200 measured departures
—
192
192
15:00
68.0%
18.8 min
384
384
16:00
73.8%
14.3 min
489
492
17:00
68.4%
20.3 min
567
571
18:00
51.8%
33.2 min
282
282
19:00
Fewer than 200 measured departures
—
63
63
20:00
Fewer than 200 measured departures
—
6
6
21:00
No observations
—
—
—
22:00
Fewer than 200 measured departures
—
91
91
23:00
Fewer than 200 measured departures
—
42
43
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
20.710.40.0
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
6933470
MonTueWedThuFriSatSun
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View the figures
Day of week
On-time departures
Average departure delay
With departure time
Recorded flights
Monday
74.9%
20.7 min
662
667
Tuesday
77.1%
13.4 min
581
582
Wednesday
79.1%
11.7 min
592
594
Thursday
79.5%
11.7 min
669
670
Friday
75.9%
16.0 min
663
663
Saturday
74.7%
13.6 min
612
612
Sunday
69.8%
20.7 min
689
693
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
28.314.10.0
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
5422710
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
79.2%
11.8 min
395
397
Feb
80.7%
10.9 min
419
419
Mar
79.7%
11.9 min
537
542
Apr
80.5%
11.8 min
477
477
May
76.7%
18.9 min
464
464
Jun
65.4%
23.3 min
376
376
Jul
64.7%
28.3 min
377
378
Aug
Fewer than 200 measured departures
—
135
135
Sep
Fewer than 200 measured departures
—
120
120
Oct
75.5%
10.3 min
331
331
Nov
81.2%
12.1 min
398
403
Dec
69.9%
19.6 min
439
439
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 time75.5%3,385
Delayed >15 min24.2%1,083
Cancelled0.3%13
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.