September 1, 1978


January 15, 1985


January 6, 1988


November 14, 1994


November 4, 2000


April 7, 2002
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Timetable Publication Dates

Class 1A - 
System Timetables
Big Sky Airlines
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39		 09-01-78
12-01-78
01-15-79
04-15-79
07-01-79
08-01-79
09-15-79
12-02-79
04-21-80
07-01-80
08-15-80
01-15-81
04-26-81
07-05-81
10-19-81
04-01-82
07-01-82
09-01-82
10-31-82
01-06-83
02-05-83
04-01-83
06-09-83
08-01-83
09-07-83
11-01-83
12-01-83
01-09-84
02-01-84
03-05-84
04-01-84
04-29-84
06-07-84
09-04-84
10-01-84
10-28-84
01-15-85
04-01-85
04-28-85
Big Sky Airlines
Northwest Orient Airlink
40
41
42
43
44 		07-15-85
03-02-86
04-27-86
06-05-86
08-01-86
Big Sky Airlines
Northwest Airlink

45
46
47

 09-02-86
10-01-86
01-06-88
Big Sky Airlines
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

07-16-90
10-31-90
09-01-91
11-25-91
02-15-92
11-06-92
01-15-93
05-10-93
11-01-93
10-23-94
11-14-94
07-01-95
11-23-96
10-01-97
01-24-98
05-04-98
07-18-98
10-25-98
12-04-99
02-14-00
04-09-00
05-21-00
11-01-00
11-04-00
01-20-01
04-06-01
06-18-01
07-29-01
11-01-01
01-22-02
04-07-02
10-27-02
01-14-03

Class 1D -
Component System Timetable
Montana operation
1
2		 12-07-98
06-02-99
Texas operation
1
2
3
4
5 		11-15-98
02-21-99
04-24-99
07-17-99
10-09-99


Route map, 2003
(source - Big Sky Airlines)

Contributor to this page

bullet iWilliam White
bullet David Zekria

If you know of additional publication dates for Big Sky timetables, please email
psloan@airtimes.com

Updated May 15, 2024
Copyright (c) 1997-2024 Perry A Sloan - All Rights Reserved