2,153 km · Domestic

Chicago O'Hare (ORD) – Friedman Memorial (SUN)

In July 2026, 60 flights operated between Chicago O'Hare and Friedman Memorial (both directions), and 86.7% left on time, according to the US BTS.

Flights per month

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

The most recent periods14 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January62119▲ 91.9%
February55111▲ 101.8%
March58120▲ 106.9%
April–21–
May–––
June1623▲ 43.8%
July2660▲ 130.8%
August26––
September12––
October––in progress
November–––
December53––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods14 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January82.3%62.2%▼ 24.4%
February70.9%63.1%▼ 11.0%
March67.2%65.8%▼ 2.1%
April–52.4%–
May–––
June81.3%91.3%▲ 12.3%
July76.9%86.7%▲ 12.7%
August80.8%––
September66.7%––
October––in progress
November–––
December41.5%––

Cancelled flights by month

The most recent periods14 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January05–
February110.0%
March04–
April–1–
May–––
June00–
July02–
August2––
September0––
October––in progress
November–––
December3––

By direction

ORD → SUN

Scheduled flights
404
Flights operated
399
Cancelled
5 · 1.2%
On-time departures
69.2%

SUN → ORD

Scheduled flights
403
Flights operated
389
Cancelled
14 · 3.5%
On-time departures
68.4%

ORD → SUN and SUN → ORD counted separately.

Airlines on this route

Dec 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 807 100.0% 68.8% 19

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 delay08:00–09:0011.2min · 238 recorded · 236 measured
Gap to highest-delay hour24.9min08:00 ↔ 12:00
Recorded flights807ORD–SUN

Departure hour

On-time departures 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 82.6% · 238 recorded · 236 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 164 recorded · 161 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 66.8% · 212 recorded · 211 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 108 recorded · 97 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 44 recorded · 43 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 41 recorded · 40 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 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.

Average departure delay 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 11.2 min · 238 recorded · 236 measured · Source: the US BTS 09:00 · Fewer than 200 measured departures · 164 recorded · 161 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 36.1 min · 212 recorded · 211 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 108 recorded · 97 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 44 recorded · 43 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 41 recorded · 40 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 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.

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 238 · 238 recorded · 236 measured · Source: the US BTS 09:00 · 164 · 164 recorded · 161 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 212 · 212 recorded · 211 measured · Source: the US BTS 13:00 · 108 · 108 recorded · 97 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · 44 · 44 recorded · 43 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · 41 · 41 recorded · 40 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 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.

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———
06:00No observations———
07:00No observations———
08:0082.6%11.2 min236238
09:00Fewer than 200 measured departures—161164
10:00No observations———
11:00No observations———
12:0066.8%36.1 min211212
13:00Fewer than 200 measured departures—97108
14:00No observations———
15:00No observations———
16:00Fewer than 200 measured departures—4344
17:00No observations———
18:00No observations———
19:00Fewer than 200 measured departures—4041
20:00No observations———
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 · 100 · 100 recorded · 99 measured · Source: the US BTS Tuesday · 107 · 107 recorded · 102 measured · Source: the US BTS Wednesday · 107 · 107 recorded · 104 measured · Source: the US BTS Thursday · 105 · 105 recorded · 102 measured · Source: the US BTS Friday · 125 · 125 recorded · 124 measured · Source: the US BTS Saturday · 142 · 142 recorded · 141 measured · Source: the US BTS Sunday · 121 · 121 recorded · 116 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—99100
TuesdayFewer than 200 measured departures—102107
WednesdayFewer than 200 measured departures—104107
ThursdayFewer than 200 measured departures—102105
FridayFewer than 200 measured departures—124125
SaturdayFewer than 200 measured departures—141142
SundayFewer than 200 measured departures—116121

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 · 186 · 186 recorded · 181 measured · Source: the US BTS Feb · 168 · 168 recorded · 166 measured · Source: the US BTS Mar · 182 · 182 recorded · 178 measured · Source: the US BTS Apr · 22 · 22 recorded · 21 measured · Source: the US BTS May · No observations · 0 recorded · 0 measured · Source: the US BTS Jun · 39 · 39 recorded · 39 measured · Source: the US BTS Jul · 88 · 88 recorded · 86 measured · Source: the US BTS Aug · 28 · 28 recorded · 26 measured · Source: the US BTS Sep · 12 · 12 recorded · 12 measured · Source: the US BTS Oct · No observations · 0 recorded · 0 measured · Source: the US BTS Nov · No observations · 0 recorded · 0 measured · Source: the US BTS Dec · 82 · 82 recorded · 79 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—181186
FebFewer than 200 measured departures—166168
MarFewer than 200 measured departures—178182
AprFewer than 200 measured departures—2122
MayNo observations———
JunFewer than 200 measured departures—3939
JulFewer than 200 measured departures—8688
AugFewer than 200 measured departures—2628
SepFewer than 200 measured departures—1212
OctNo observations———
NovNo observations———
DecFewer than 200 measured departures—7982

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 67.2% 542
  • Delayed >15 min 30.5% 246
  • Cancelled 2.4% 19
  • 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.

Flight numbers on this route

12
12 of 12
Flight numbersBy direction DeparturesOn time
OO5608 ORD → SUN 101 79.2%
OO5654 SUN → ORD 101 71.0%
OO5680 ORD → SUN 90 74.4%
OO4654 SUN → ORD 89 65.2%
OO6441 ORD → SUN 54 59.6%
OO6441 SUN → ORD 54 46.0%
OO4788 SUN → ORD 42 97.6%
OO6004 ORD → SUN 41 62.5%
OO6005 SUN → ORD 41 92.5%
OO5416 ORD → SUN 37 80.6%
OO6234 ORD → SUN 37 52.8%
OO6234 SUN → ORD 37 61.8%

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.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 60 +130.8% 2 86.7%
June 2026 23 +43.8% 0 91.3%
April 2026 21 1 52.4%
March 2026 120 +106.9% 4 65.8%
February 2026 111 +101.8% 1 63.1%
January 2026 119 +91.9% 5 62.2%
December 2025 53 +103.8% 3 41.5%
September 2025 12 0 66.7%
August 2025 26 2 80.8%
July 2025 26 0 76.9%
June 2025 16 0 81.3%
March 2025 58 0 67.2%
February 2025 55 1 70.9%
January 2025 62 0 82.3%
December 2024 26 0 84.6%

How to read this chart

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