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624 km · Domestic

Billings Logan (BIL) – Salt Lake City (SLC)

In July 2026, 184 flights operated between Billings Logan and Salt Lake City (both directions), and 86.4% 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
January176172▼ 2.3%
February154156▲ 1.3%
March1821820.0%
April1801800.0%
May1861860.0%
June180178▼ 1.1%
July182184▲ 1.1%
August186––
September180––
October184–in progress
November169––
December180––
Year to date (Jan–Jul)1,2401,238▼ 0.2%

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
January89.2%90.7%▲ 1.7%
February87.7%84.6%▼ 3.5%
March97.3%91.2%▼ 6.3%
April95.6%90.6%▼ 5.2%
May92.5%92.5%0.0%
June91.7%87.6%▼ 4.5%
July89.0%86.4%▼ 2.9%
August91.4%––
September96.7%––
October92.4%–in progress
November95.9%––
December82.2%––
Year-to-date average (Jan–Jul)91.9%89.1%▼ 3.0%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January00–
February20▼ 100.0%
March02–
April00–
May00–
June02–
July20▼ 100.0%
August0––
September0––
October0–in progress
November7––
December0––
Year to date (Jan–Jul)440.0%

Airlines on this route

  1. SkyWest Airlines 65.8%
  2. Delta Air Lines 34.2%

Oct 1, 2024 – Jul 31, 2026

By direction

BIL → SLC

Scheduled flights
1,925
Flights operated
1,916
Cancelled
9 · 0.5%
On-time departures
93.5%

SLC → BIL

Scheduled flights
1,925
Flights operated
1,918
Cancelled
7 · 0.4%
On-time departures
88.3%

BIL → SLC and SLC → BIL counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 2,532 65.8% 92.8% 11
Delta Air Lines DL 1,318 34.2% 87.2% 5

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 delay11:00–12:00-4.4min · 654 recorded · 650 measured
Gap to highest-delay hour17.8min11:00 ↔ 21:00
Recorded flights3,850BIL–SLC

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

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

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

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———
05:0095.3%2.4 min655658
06:00No observations———
07:00No observations———
08:00No observations———
09:0096.4%-2.9 min643647
10:00Fewer than 200 measured departures—44
11:0096.0%-4.4 min650654
12:00Fewer than 200 measured departures—44
13:00Fewer than 200 measured departures—33
14:00Fewer than 200 measured departures—44
15:00Fewer than 200 measured departures—100100
16:0088.6%2.9 min510511
17:00Fewer than 200 measured departures—3737
18:0088.6%4.6 min570572
19:00No observations———
20:00No observations———
21:0077.5%13.4 min386387
22:0081.0%7.4 min210211
23:00Fewer than 200 measured departures—5858

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

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

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

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

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday89.6%8.1 min560562
Tuesday92.5%-1.0 min558558
Wednesday91.1%-0.6 min553556
Thursday90.6%0.8 min554554
Friday91.0%2.2 min556560
Saturday91.9%2.9 min503508
Sunday89.6%2.7 min550552

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 departures Partial coverage: only airlines that report on-time data to the US DOT

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

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

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

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan89.9%1.7 min348348
Feb86.1%14.0 min310312
Mar94.2%-0.1 min364366
Apr93.1%0.5 min360360
May92.5%-0.5 min372372
Jun89.7%4.2 min358360
Jul87.7%4.9 min366368
AugFewer than 200 measured departures—186186
SepFewer than 200 measured departures—180180
Oct93.2%1.3 min296296
Nov95.3%-2.0 min338346
Dec84.0%5.1 min356356

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 90.5% 3,485
  • Delayed >15 min 9.1% 349
  • Cancelled 0.4% 16
  • 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

9
9 of 9
Flight numbersBy direction DeparturesOn time
DL1360 BIL → SLC 658 95.3%
OO3828 SLC → BIL 610 89.5%
OO3828 BIL → SLC 610 89.1%
DL1340 SLC → BIL 493 76.8%
OO4038 BIL → SLC 463 95.7%
OO4038 SLC → BIL 463 96.5%
OO3773 BIL → SLC 193 95.8%
OO3773 SLC → BIL 193 96.3%
DL1724 SLC → BIL 165 86.1%

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 184 +1.1% 0 86.4%
June 2026 178 −1.1% 2 87.6%
May 2026 186 +0.0% 0 92.5%
April 2026 180 +0.0% 0 90.6%
March 2026 182 +0.0% 2 91.2%
February 2026 156 +1.3% 0 84.6%
January 2026 172 −2.3% 0 90.7%
December 2025 180 +2.3% 0 82.2%
November 2025 169 +0.0% 7 95.9%
October 2025 184 +64.3% 0 92.4%
September 2025 180 0 96.7%
August 2025 186 0 91.4%
July 2025 182 2 89.0%
June 2025 180 0 91.7%
May 2025 186 0 92.5%
April 2025 180 0 95.6%
March 2025 182 0 97.3%
February 2025 154 2 87.7%
January 2025 176 0 89.2%
December 2024 176 0 85.8%
November 2024 169 1 94.7%
October 2024 112 0 94.6%

How to read this chart

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