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1,843 km · Domestic

Portsmouth International Airport at Pease (PSM) – Orlando Sanford (SFB)

In July 2026, 18 flights operated between Portsmouth International Airport at Pease and Orlando Sanford (both directions), and 61.1% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January1816▼ 11.1%
February30300.0%
March3020▼ 33.3%
April4630▼ 34.8%
May3428▼ 17.6%
June2616▼ 38.5%
July2818▼ 35.7%
August22––
September16––
October26–in progress
November26––
December22––
Year to date (Jan–Jul)212158▼ 25.5%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January88.9%75.0%▼ 15.6%
February66.7%73.3%▲ 9.9%
March83.3%60.0%▼ 28.0%
April76.1%86.7%▲ 13.9%
May85.3%71.4%▼ 16.3%
June65.4%43.8%▼ 33.0%
July64.3%61.1%▼ 5.0%
August90.9%––
September75.0%––
October69.2%–in progress
November84.6%––
December95.5%––
Year-to-date average (Jan–Jul)75.7%67.3%▼ 11.1%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January02–
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)02

By direction

PSM → SFB

Scheduled flights
268
Flights operated
267
Cancelled
1 · 0.4%
On-time departures
70.8%

SFB → PSM

Scheduled flights
268
Flights operated
267
Cancelled
1 · 0.4%
On-time departures
82.8%

PSM → SFB and SFB → PSM counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Allegiant Air G4 536 100.0% 76.8% 2

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 13, 2024 → Jul 30, 2026

Recorded flights536PSM–SFB

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 43 · 43 recorded · 43 measured · Source: the US BTS 07:00 · 42 · 42 recorded · 42 measured · Source: the US BTS 08:00 · 27 · 27 recorded · 27 measured · Source: the US BTS 09:00 · 32 · 32 recorded · 32 measured · Source: the US BTS 10:00 · 60 · 60 recorded · 60 measured · Source: the US BTS 11:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 12:00 · 20 · 20 recorded · 20 measured · Source: the US BTS 13:00 · 8 · 8 recorded · 8 measured · Source: the US BTS 14:00 · 32 · 32 recorded · 31 measured · Source: the US BTS 15:00 · 39 · 39 recorded · 39 measured · Source: the US BTS 16:00 · 73 · 73 recorded · 73 measured · Source: the US BTS 17:00 · 13 · 13 recorded · 13 measured · Source: the US BTS 18:00 · 28 · 28 recorded · 27 measured · Source: the US BTS 19:00 · 57 · 57 recorded · 57 measured · Source: the US BTS 20:00 · 41 · 41 recorded · 41 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

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
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00Fewer than 200 measured departures—4343
07:00Fewer than 200 measured departures—4242
08:00Fewer than 200 measured departures—2727
09:00Fewer than 200 measured departures—3232
10:00Fewer than 200 measured departures—6060
11:00Fewer than 200 measured departures—2121
12:00Fewer than 200 measured departures—2020
13:00Fewer than 200 measured departures—88
14:00Fewer than 200 measured departures—3132
15:00Fewer than 200 measured departures—3939
16:00Fewer than 200 measured departures—7373
17:00Fewer than 200 measured departures—1313
18:00Fewer than 200 measured departures—2728
19:00Fewer than 200 measured departures—5757
20:00Fewer than 200 measured departures—4141
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 14 · 14 recorded · 14 measured · Source: the US BTS Tuesday · 44 · 44 recorded · 44 measured · Source: the US BTS Wednesday · 10 · 10 recorded · 10 measured · Source: the US BTS Thursday · 182 · 182 recorded · 182 measured · Source: the US BTS Friday · 14 · 14 recorded · 14 measured · Source: the US BTS Saturday · 88 · 88 recorded · 88 measured · Source: the US BTS Sunday · 184 · 184 recorded · 182 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

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 weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—1414
TuesdayFewer than 200 measured departures—4444
WednesdayFewer than 200 measured departures—1010
ThursdayFewer than 200 measured departures—182182
FridayFewer than 200 measured departures—1414
SaturdayFewer than 200 measured departures—8888
SundayFewer than 200 measured departures—182184

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 36 · 36 recorded · 34 measured · Source: the US BTS Feb · 60 · 60 recorded · 60 measured · Source: the US BTS Mar · 50 · 50 recorded · 50 measured · Source: the US BTS Apr · 76 · 76 recorded · 76 measured · Source: the US BTS May · 62 · 62 recorded · 62 measured · Source: the US BTS Jun · 42 · 42 recorded · 42 measured · Source: the US BTS Jul · 46 · 46 recorded · 46 measured · Source: the US BTS Aug · 22 · 22 recorded · 22 measured · Source: the US BTS Sep · 16 · 16 recorded · 16 measured · Source: the US BTS Oct · 38 · 38 recorded · 38 measured · Source: the US BTS Nov · 44 · 44 recorded · 44 measured · Source: the US BTS Dec · 44 · 44 recorded · 44 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

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
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—3436
FebFewer than 200 measured departures—6060
MarFewer than 200 measured departures—5050
AprFewer than 200 measured departures—7676
MayFewer than 200 measured departures—6262
JunFewer than 200 measured departures—4242
JulFewer than 200 measured departures—4646
AugFewer than 200 measured departures—2222
SepFewer than 200 measured departures—1616
OctFewer than 200 measured departures—3838
NovFewer than 200 measured departures—4444
DecFewer than 200 measured departures—4444

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 time 76.5% 410
  • Delayed >15 min 23.1% 124
  • Cancelled 0.4% 2
  • Missing departure time 0.0% 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.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 18 −35.7% 0 61.1%
June 2026 16 −38.5% 0 43.8%
May 2026 28 −17.6% 0 71.4%
April 2026 30 −34.8% 0 86.7%
March 2026 20 −33.3% 0 60.0%
February 2026 30 +0.0% 0 73.3%
January 2026 16 −11.1% 2 75.0%
December 2025 22 +0.0% 0 95.5%
November 2025 26 +44.4% 0 84.6%
October 2025 26 +116.7% 0 69.2%
September 2025 16 0 75.0%
August 2025 22 0 90.9%
July 2025 28 0 64.3%
June 2025 26 0 65.4%
May 2025 34 0 85.3%
April 2025 46 0 76.1%
March 2025 30 0 83.3%
February 2025 30 0 66.7%
January 2025 18 0 88.9%
December 2024 22 0 81.8%
November 2024 18 0 100.0%
October 2024 12 0 91.7%

How to read this chart

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